[{"abstract":[{"lang":"eng","text":"Digital Servitization is one of the significant trends affecting the manufacturing industry. Companies try to tackle challenges regarding their differentiation and profitability using digital services. One specific type of digital services are smart services, which are digital services built on data from smart products. Introducing these kinds of offerings into the portfolio of manufacturing companies is not trivial. Moreover, they require conscious action to align all relevant capabilities to realize the respective business goals. However, what capabilities are generally relevant for smart services remains opaque. We conducted a systematic literature review to identify them and extended the results through an interview study. Our analysis results in 78 capabilities clustered among 12 principles and six dimensions. These results provide significant support for the smart service transformation of manufacturing companies and for structuring the research field of smart services."}],"user_id":"66731","title":"Exploring Capabilities for the Smart Service Transformation in Manufacturing: Insights from Theory and Practice","department":[{"_id":"563"},{"_id":"241"}],"keyword":["Digital Servitization","Transformation","Capabilities","Maturity","Smart Services"],"author":[{"last_name":"Koldewey","id":"43136","first_name":"Christian","full_name":"Koldewey, Christian","orcid":"https://orcid.org/0000-0001-7992-6399"},{"last_name":"Fichtler","id":"66731","first_name":"Timm","full_name":"Fichtler, Timm","orcid":"https://orcid.org/0000-0001-6034-4399"},{"full_name":"Scholtysik, Michel","first_name":"Michel","id":"50562","last_name":"Scholtysik"},{"full_name":"Biehler, Jan","first_name":"Jan","last_name":"Biehler"},{"last_name":"Schreiner","full_name":"Schreiner, Nick","first_name":"Nick"},{"last_name":"Sommer","first_name":"Franziska","full_name":"Sommer, Franziska"},{"full_name":"Schacht, Maximilian","first_name":"Maximilian","last_name":"Schacht"},{"first_name":"Jonas","full_name":"Kaufmann, Jonas","last_name":"Kaufmann"},{"last_name":"Rabe","first_name":"Martin","full_name":"Rabe, Martin"},{"last_name":"Sedlmeier","full_name":"Sedlmeier, Joachim","first_name":"Joachim"},{"last_name":"Dumitrescu","id":"16190","first_name":"Roman","full_name":"Dumitrescu, Roman"}],"date_created":"2023-11-06T15:31:32Z","status":"public","conference":{"end_date":"2024-01-06","start_date":"2024-01-03","name":"Hawaii International Conference on System Sciences","location":"Hawaii"},"_id":"48632","date_updated":"2023-11-06T15:40:33Z","language":[{"iso":"eng"}],"citation":{"bibtex":"@inproceedings{Koldewey_Fichtler_Scholtysik_Biehler_Schreiner_Sommer_Schacht_Kaufmann_Rabe_Sedlmeier_et al._2024, title={Exploring Capabilities for the Smart Service Transformation in Manufacturing: Insights from Theory and Practice}, author={Koldewey, Christian and Fichtler, Timm and Scholtysik, Michel and Biehler, Jan and Schreiner, Nick and Sommer, Franziska and Schacht, Maximilian and Kaufmann, Jonas and Rabe, Martin and Sedlmeier, Joachim and et al.}, year={2024} }","mla":"Koldewey, Christian, et al. Exploring Capabilities for the Smart Service Transformation in Manufacturing: Insights from Theory and Practice. 2024.","chicago":"Koldewey, Christian, Timm Fichtler, Michel Scholtysik, Jan Biehler, Nick Schreiner, Franziska Sommer, Maximilian Schacht, et al. “Exploring Capabilities for the Smart Service Transformation in Manufacturing: Insights from Theory and Practice,” 2024.","apa":"Koldewey, C., Fichtler, T., Scholtysik, M., Biehler, J., Schreiner, N., Sommer, F., Schacht, M., Kaufmann, J., Rabe, M., Sedlmeier, J., & Dumitrescu, R. (2024). Exploring Capabilities for the Smart Service Transformation in Manufacturing: Insights from Theory and Practice. Hawaii International Conference on System Sciences, Hawaii.","ama":"Koldewey C, Fichtler T, Scholtysik M, et al. Exploring Capabilities for the Smart Service Transformation in Manufacturing: Insights from Theory and Practice. In: ; 2024.","ieee":"C. Koldewey et al., “Exploring Capabilities for the Smart Service Transformation in Manufacturing: Insights from Theory and Practice,” presented at the Hawaii International Conference on System Sciences, Hawaii, 2024.","short":"C. Koldewey, T. Fichtler, M. Scholtysik, J. Biehler, N. Schreiner, F. Sommer, M. Schacht, J. Kaufmann, M. Rabe, J. Sedlmeier, R. Dumitrescu, in: 2024."},"type":"conference","year":"2024"},{"author":[{"last_name":"Herbert","first_name":"Franziska","full_name":"Herbert, Franziska"},{"last_name":"Becker","first_name":"Steffen","full_name":"Becker, Steffen"},{"last_name":"Buckmann","first_name":"Annalina","full_name":"Buckmann, Annalina"},{"last_name":"Kowalewski","full_name":"Kowalewski, Marvin","first_name":"Marvin"},{"last_name":"Hielscher","full_name":"Hielscher, Jonas","first_name":"Jonas"},{"id":"94636","last_name":"Acar","full_name":"Acar, Yasemin","first_name":"Yasemin"},{"last_name":"Dürmuth","full_name":"Dürmuth, Markus","first_name":"Markus"},{"full_name":"Sasse, M. Angela","first_name":"M. Angela","last_name":"Sasse"},{"last_name":"Zou","full_name":"Zou, Yixin","first_name":"Yixin"}],"publication":"IEEE Symposium on Security and Privacy. IEEE, New York, NY, USA","department":[{"_id":"34"},{"_id":"740"}],"status":"public","date_created":"2023-09-22T13:09:30Z","extern":"1","user_id":"15458","title":"Digital Security -- A Question of Perspective. A Large-Scale Telephone Survey with Four At-Risk User Groups","language":[{"iso":"eng"}],"citation":{"bibtex":"@article{Herbert_Becker_Buckmann_Kowalewski_Hielscher_Acar_Dürmuth_Sasse_Zou_2024, title={Digital Security -- A Question of Perspective. A Large-Scale Telephone Survey with Four At-Risk User Groups}, DOI={10.48550/arXiv.2212.12964}, journal={IEEE Symposium on Security and Privacy. IEEE, New York, NY, USA}, author={Herbert, Franziska and Becker, Steffen and Buckmann, Annalina and Kowalewski, Marvin and Hielscher, Jonas and Acar, Yasemin and Dürmuth, Markus and Sasse, M. Angela and Zou, Yixin}, year={2024} }","mla":"Herbert, Franziska, et al. “Digital Security -- A Question of Perspective. 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Kurz, March-Michael Meinecke, and Christoph Scheytt. “Analysis and Simulation of a Photonic Multiband FMCW Radar Sensor System Using Nyquist Pulses.” In German Microwave Conference (GeMiC) . Duisburg, 2024.","ama":"Kruse S, Schwabe T, Kneuper P, Kurz HG, Meinecke M-M, Scheytt C. Analysis and Simulation of a Photonic Multiband FMCW Radar Sensor System using Nyquist Pulses. In: German Microwave Conference (GeMiC) . ; 2024.","apa":"Kruse, S., Schwabe, T., Kneuper, P., Kurz, H. G., Meinecke, M.-M., & Scheytt, C. (2024). Analysis and Simulation of a Photonic Multiband FMCW Radar Sensor System using Nyquist Pulses. 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For this, we train a neural network model of a discrete Lagrangian density such that the discrete Euler--Lagrange equations are consistent with the given training data. We, thus, obtain a structure-preserving machine learning architecture. Lagrangian densities are not uniquely defined by the solutions of a field theory. We introduce a technique to derive regularisers for the training process which optimise numerical regularity of the discrete field theory. Minimisation of the regularisers guarantees that close to the training data the discrete field theory behaves robust and efficient when used in numerical simulations. Further, we show how to identify structurally simple solutions of the underlying continuous field theory such as travelling waves. This is possible even when travelling waves are not present in the training data. This is compared to data-driven model order reduction based approaches, which struggle to identify suitable latent spaces containing structurally simple solutions when these are not present in the training data. Ideas are demonstrated on examples based on the wave equation and the Schrödinger equation. ","lang":"eng"}],"user_id":"85279","ddc":["510"],"file":[{"access_level":"open_access","date_created":"2024-01-09T10:48:38Z","file_name":"Accepted manuscript with AIP banner CHA23-AR-01370.pdf","date_updated":"2024-01-09T10:48:38Z","content_type":"application/pdf","relation":"main_file","file_size":13222105,"title":"Accepted Manuscript Chaos","file_id":"50376","creator":"coffen"},{"description":"We show how to learn discrete field theories from observational data of fields on a space-time lattice. For this, we train\na neural network model of a discrete Lagrangian density such that the discrete Euler–Lagrange equations are consistent\nwith the given training data. We, thus, obtain a structure-preserving machine learning architecture. Lagrangian\ndensities are not uniquely defined by the solutions of a field theory. We introduce a technique to derive regularisers for\nthe training process which optimise numerical regularity of the discrete field theory. Minimisation of the regularisers\nguarantees that close to the training data the discrete field theory behaves robust and efficient when used in numerical\nsimulations. Further, we show how to identify structurally simple solutions of the underlying continuous field theory\nsuch as travelling waves. This is possible even when travelling waves are not present in the training data. This is\ncompared to data-driven model order reduction based approaches, which struggle to identify suitable latent spaces\ncontaining structurally simple solutions when these are not present in the training data. Ideas are demonstrated on\nexamples based on the wave equation and the Schrödinger equation.","relation":"main_file","date_updated":"2024-01-09T11:19:49Z","content_type":"application/pdf","creator":"coffen","file_id":"50390","title":"Learning of discrete models of variational PDEs from data","file_size":12960884,"access_level":"open_access","file_name":"LDensityPDE_AIP.pdf","date_created":"2024-01-09T11:19:49Z"}],"publisher":"AIP Publishing","author":[{"first_name":"Christian","orcid":"0000-0002-5940-8057","full_name":"Offen, Christian","last_name":"Offen","id":"85279"},{"full_name":"Ober-Blöbaum, Sina","first_name":"Sina","id":"16494","last_name":"Ober-Blöbaum"}],"quality_controlled":"1","publication":"Chaos","file_date_updated":"2024-01-09T11:19:49Z","has_accepted_license":"1","status":"public","date_created":"2023-08-10T08:24:48Z","volume":34,"_id":"46469","intvolume":" 34","issue":"1","article_number":"013104","type":"journal_article","citation":{"mla":"Offen, Christian, and Sina Ober-Blöbaum. “Learning of Discrete Models of Variational PDEs from Data.” Chaos, vol. 34, no. 1, 013104, AIP Publishing, 2024, doi:10.1063/5.0172287.","bibtex":"@article{Offen_Ober-Blöbaum_2024, title={Learning of discrete models of variational PDEs from data}, volume={34}, DOI={10.1063/5.0172287}, number={1013104}, journal={Chaos}, publisher={AIP Publishing}, author={Offen, Christian and Ober-Blöbaum, Sina}, year={2024} }","ama":"Offen C, Ober-Blöbaum S. Learning of discrete models of variational PDEs from data. Chaos. 2024;34(1). doi:10.1063/5.0172287","apa":"Offen, C., & Ober-Blöbaum, S. (2024). Learning of discrete models of variational PDEs from data. Chaos, 34(1), Article 013104. https://doi.org/10.1063/5.0172287","chicago":"Offen, Christian, and Sina Ober-Blöbaum. “Learning of Discrete Models of Variational PDEs from Data.” Chaos 34, no. 1 (2024). https://doi.org/10.1063/5.0172287.","ieee":"C. Offen and S. Ober-Blöbaum, “Learning of discrete models of variational PDEs from data,” Chaos, vol. 34, no. 1, Art. no. 013104, 2024, doi: 10.1063/5.0172287.","short":"C. Offen, S. Ober-Blöbaum, Chaos 34 (2024)."},"year":"2024"},{"department":[{"_id":"66"},{"_id":"534"}],"publication":"Proceedings of the 16th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2024) (to appear)","publisher":"ACM","author":[{"full_name":"Krings, Sarah Claudia","orcid":"0000-0001-8040-7553","first_name":"Sarah Claudia","id":"64063","last_name":"Krings"},{"id":"8447","last_name":"Yigitbas","orcid":"0000-0002-5967-833X","full_name":"Yigitbas, Enes","first_name":"Enes"}],"date_created":"2024-01-12T15:11:58Z","status":"public","user_id":"8447","title":"TARPS: A Toolbox for Enhancing Privacy and Security for Collaborative AR","language":[{"iso":"eng"}],"citation":{"ama":"Krings SC, Yigitbas E. TARPS: A Toolbox for Enhancing Privacy and Security for Collaborative AR. In: Proceedings of the 16th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2024) (to Appear). ACM; 2024.","apa":"Krings, S. C., & Yigitbas, E. (2024). 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In particular, we show all results in a very general setting\r\nremoving most of the typically imposed assumptions such that, among others,\r\ndiscrete- and continuous-time stochastic processes as well as nonlinear partial\r\ndifferential equations are contained in the considered system class. Besides\r\nshowing an exponential rate for i.i.d. sampling, we prove, to the best of our\r\nknowledge, the first superlinear convergence rates for ergodic sampling of\r\ndeterministic systems. We verify sharpness of the derived error bounds by\r\nconducting numerical simulations for highly-complex applications from molecular\r\ndynamics and chaotic flame propagation."}],"external_id":{"arxiv":["2402.02494"]},"user_id":"47427","title":"Extended Dynamic Mode Decomposition: Sharp bounds on the sample efficiency"},{"user_id":"32643","title":"A note on the convergence of deterministic gradient sampling in nonsmooth optimization","abstract":[{"lang":"eng","text":"AbstractApproximation of subdifferentials is one of the main tasks when computing descent directions for nonsmooth optimization problems. In this article, we propose a bisection method for weakly lower semismooth functions which is able to compute new subgradients that improve a given approximation in case a direction with insufficient descent was computed. Combined with a recently proposed deterministic gradient sampling approach, this yields a deterministic and provably convergent way to approximate subdifferentials for computing descent directions."}],"date_created":"2024-02-07T07:23:23Z","status":"public","publication_identifier":{"issn":["0926-6003","1573-2894"]},"publication_status":"published","publication":"Computational Optimization and Applications","keyword":["Applied Mathematics","Computational Mathematics","Control and Optimization"],"department":[{"_id":"101"}],"author":[{"id":"32643","last_name":"Gebken","full_name":"Gebken, Bennet","first_name":"Bennet"}],"publisher":"Springer Science and Business Media LLC","doi":"10.1007/s10589-024-00552-0","date_updated":"2024-02-08T08:05:54Z","_id":"51208","language":[{"iso":"eng"}],"type":"journal_article","year":"2024","citation":{"ieee":"B. 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In\r\nparticular, this allows us to completely characterize temperedness of\r\n$L^2(\\Gamma\\backslash G)$ in this general setting.","lang":"eng"}],"external_id":{"arxiv":["2402.02530"]}},{"volume":286,"date_created":"2024-02-18T12:31:28Z","status":"public","publication":"Journal of Functional Analysis","keyword":["Analysis"],"publisher":"Elsevier BV","author":[{"last_name":"Hasler","first_name":"David","full_name":"Hasler, David"},{"orcid":"0000-0001-9074-1205","full_name":"Hinrichs, Benjamin","first_name":"Benjamin","id":"99427","last_name":"Hinrichs"},{"first_name":"Oliver","full_name":"Siebert, Oliver","last_name":"Siebert"}],"user_id":"99427","extern":"1","citation":{"ieee":"D. Hasler, B. Hinrichs, and O. Siebert, “Non-Fock ground states in the translation-invariant Nelson model revisited non-perturbatively,” Journal of Functional Analysis, vol. 286, no. 7, Art. no. 110319, 2024, doi: 10.1016/j.jfa.2024.110319.","short":"D. Hasler, B. Hinrichs, O. 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Published online 2024:1-36."}},{"department":[{"_id":"91"}],"author":[{"id":"220","last_name":"Hilgert","full_name":"Hilgert, Joachim","first_name":"Joachim"}],"date_created":"2024-02-19T10:31:51Z","status":"public","publication_status":"published","user_id":"49063","title":"Quantum-Classical Correspondences for Locally Symmetric Spaces","main_file_link":[{"url":"https://arxiv.org/pdf/2303.00578.pdf","open_access":"1"}],"language":[{"iso":"eng"}],"year":"2024","citation":{"bibtex":"@article{Hilgert_2024, title={Quantum-Classical Correspondences for Locally Symmetric Spaces}, author={Hilgert, Joachim}, year={2024} }","mla":"Hilgert, Joachim. Quantum-Classical Correspondences for Locally Symmetric Spaces. 2024.","chicago":"Hilgert, Joachim. “Quantum-Classical Correspondences for Locally Symmetric Spaces,” 2024.","ama":"Hilgert J. Quantum-Classical Correspondences for Locally Symmetric Spaces. Published online 2024.","apa":"Hilgert, J. (2024). Quantum-Classical Correspondences for Locally Symmetric Spaces.","ieee":"J. Hilgert, “Quantum-Classical Correspondences for Locally Symmetric Spaces.” 2024.","short":"J. Hilgert, (2024)."},"type":"preprint","date_updated":"2024-02-19T10:32:07Z","_id":"51501","oa":"1"},{"department":[{"_id":"101"},{"_id":"655"}],"publication":"Journal of Optimization Theory and Applications","author":[{"full_name":"Sonntag, Konstantin","orcid":"https://orcid.org/0000-0003-3384-3496","first_name":"Konstantin","id":"56399","last_name":"Sonntag"},{"last_name":"Peitz","id":"47427","first_name":"Sebastian","full_name":"Peitz, Sebastian","orcid":"0000-0002-3389-793X"}],"publisher":"Springer","date_created":"2023-07-12T06:35:58Z","status":"public","publication_status":"published","abstract":[{"lang":"eng","text":"We derive efficient algorithms to compute weakly Pareto optimal solutions for smooth, convex and unconstrained multiobjective optimization problems in general Hilbert spaces. To this end, we define a novel inertial gradient-like dynamical system in the multiobjective setting, which trajectories converge weakly to Pareto optimal solutions. Discretization of this system yields an inertial multiobjective algorithm which generates sequences that converge weakly to Pareto optimal solutions. We employ Nesterov acceleration to define an algorithm with an improved convergence rate compared to the plain multiobjective steepest descent method (Algorithm 1). A further improvement in terms of efficiency is achieved by avoiding the solution of a quadratic subproblem to compute a common step direction for all objective functions, which is usually required in first-order methods. Using a different discretization of our inertial gradient-like dynamical system, we obtain an accelerated multiobjective gradient method that does not require the solution of a subproblem in each step (Algorithm 2). While this algorithm does not converge in general, it yields good results on test problems while being faster than standard steepest descent."}],"user_id":"56399","title":"Fast Multiobjective Gradient Methods with Nesterov Acceleration via Inertial Gradient-Like Systems","main_file_link":[{"open_access":"1","url":"https://link.springer.com/content/pdf/10.1007/s10957-024-02389-3.pdf"}],"language":[{"iso":"eng"}],"type":"journal_article","citation":{"ieee":"K. Sonntag and S. Peitz, “Fast Multiobjective Gradient Methods with Nesterov Acceleration via Inertial Gradient-Like Systems,” Journal of Optimization Theory and Applications, 2024, doi: 10.1007/s10957-024-02389-3.","short":"K. Sonntag, S. Peitz, Journal of Optimization Theory and Applications (2024).","bibtex":"@article{Sonntag_Peitz_2024, title={Fast Multiobjective Gradient Methods with Nesterov Acceleration via Inertial Gradient-Like Systems}, DOI={10.1007/s10957-024-02389-3}, journal={Journal of Optimization Theory and Applications}, publisher={Springer}, author={Sonntag, Konstantin and Peitz, Sebastian}, year={2024} }","mla":"Sonntag, Konstantin, and Sebastian Peitz. “Fast Multiobjective Gradient Methods with Nesterov Acceleration via Inertial Gradient-Like Systems.” Journal of Optimization Theory and Applications, Springer, 2024, doi:10.1007/s10957-024-02389-3.","chicago":"Sonntag, Konstantin, and Sebastian Peitz. “Fast Multiobjective Gradient Methods with Nesterov Acceleration via Inertial Gradient-Like Systems.” Journal of Optimization Theory and Applications, 2024. https://doi.org/10.1007/s10957-024-02389-3.","ama":"Sonntag K, Peitz S. Fast Multiobjective Gradient Methods with Nesterov Acceleration via Inertial Gradient-Like Systems. Journal of Optimization Theory and Applications. Published online 2024. doi:10.1007/s10957-024-02389-3","apa":"Sonntag, K., & Peitz, S. (2024). Fast Multiobjective Gradient Methods with Nesterov Acceleration via Inertial Gradient-Like Systems. Journal of Optimization Theory and Applications. https://doi.org/10.1007/s10957-024-02389-3"},"year":"2024","date_updated":"2024-02-21T10:13:33Z","_id":"46019","oa":"1","doi":"10.1007/s10957-024-02389-3"},{"oa":"1","_id":"51334","date_updated":"2024-02-21T10:21:03Z","citation":{"apa":"Sonntag, K., Gebken, B., Müller, G., Peitz, S., & Volkwein, S. (2024). A Descent Method for Nonsmooth Multiobjective Optimization in Hilbert Spaces. In arXiv:2402.06376.","ama":"Sonntag K, Gebken B, Müller G, Peitz S, Volkwein S. A Descent Method for Nonsmooth Multiobjective Optimization in Hilbert Spaces. arXiv:240206376. Published online 2024.","chicago":"Sonntag, Konstantin, Bennet Gebken, Georg Müller, Sebastian Peitz, and Stefan Volkwein. “A Descent Method for Nonsmooth Multiobjective Optimization in Hilbert Spaces.” ArXiv:2402.06376, 2024.","bibtex":"@article{Sonntag_Gebken_Müller_Peitz_Volkwein_2024, title={A Descent Method for Nonsmooth Multiobjective Optimization in Hilbert Spaces}, journal={arXiv:2402.06376}, author={Sonntag, Konstantin and Gebken, Bennet and Müller, Georg and Peitz, Sebastian and Volkwein, Stefan}, year={2024} }","mla":"Sonntag, Konstantin, et al. “A Descent Method for Nonsmooth Multiobjective Optimization in Hilbert Spaces.” ArXiv:2402.06376, 2024.","short":"K. Sonntag, B. Gebken, G. Müller, S. Peitz, S. Volkwein, ArXiv:2402.06376 (2024).","ieee":"K. Sonntag, B. Gebken, G. Müller, S. Peitz, and S. Volkwein, “A Descent Method for Nonsmooth Multiobjective Optimization in Hilbert Spaces,” arXiv:2402.06376. 2024."},"type":"preprint","year":"2024","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://arxiv.org/abs/2402.06376","open_access":"1"}],"title":"A Descent Method for Nonsmooth Multiobjective Optimization in Hilbert Spaces","user_id":"56399","abstract":[{"lang":"eng","text":"The efficient optimization method for locally Lipschitz continuous multiobjective optimization problems from [1] is extended from finite-dimensional problems to general Hilbert spaces. The method iteratively computes Pareto critical points, where in each iteration, an approximation of the subdifferential is computed in an efficient manner and then used to compute a common descent direction for all objective functions. To prove convergence, we present some new optimality results for nonsmooth multiobjective optimization problems in Hilbert spaces. Using these, we can show that every accumulation point of the sequence generated by our algorithm is Pareto critical under common assumptions. Computational efficiency for finding Pareto critical points is numerically demonstrated for multiobjective optimal control of an obstacle problem."}],"external_id":{"arxiv":["\t2402.06376"]},"date_created":"2024-02-13T09:35:26Z","has_accepted_license":"1","status":"public","publication":"arXiv:2402.06376","department":[{"_id":"101"},{"_id":"655"}],"author":[{"orcid":"https://orcid.org/0000-0003-3384-3496","full_name":"Sonntag, Konstantin","first_name":"Konstantin","id":"56399","last_name":"Sonntag"},{"id":"32643","last_name":"Gebken","full_name":"Gebken, Bennet","first_name":"Bennet"},{"full_name":"Müller, Georg","first_name":"Georg","last_name":"Müller"},{"last_name":"Peitz","id":"47427","first_name":"Sebastian","full_name":"Peitz, Sebastian","orcid":"0000-0002-3389-793X"},{"full_name":"Volkwein, Stefan","first_name":"Stefan","last_name":"Volkwein"}]},{"title":"Distributed Control of Partial Differential Equations Using Convolutional Reinforcement Learning","department":[{"_id":"655"}],"date_updated":"2024-02-23T10:53:42Z","oa":"1","doi":"10.1016/j.physd.2024.134096","language":[{"iso":"eng"}],"abstract":[{"text":"We present a convolutional framework which significantly reduces the complexity and thus, the computational effort for distributed reinforcement learning control of dynamical systems governed by partial differential equations (PDEs). Exploiting translational equivariances, the high-dimensional distributed control problem can be transformed into a multi-agent control problem with many identical, uncoupled agents. Furthermore, using the fact that information is transported with finite velocity in many cases, the dimension of the agents’ environment can be drastically reduced using a convolution operation over the state space of the PDE, by which we effectively tackle the curse of dimensionality otherwise present in deep reinforcement learning. In this setting, the complexity can be flexibly adjusted via the kernel width or by using a stride greater than one (meaning that we do not place an actuator at each sensor location). Moreover, scaling from smaller to larger domains – or the transfer between different domains – becomes a straightforward task requiring little effort. We demonstrate the performance of the proposed framework using several PDE examples with increasing complexity, where stabilization is achieved by training a low-dimensional deep deterministic policy gradient agent using minimal computing resources.","lang":"eng"}],"article_type":"original","user_id":"47427","publication":"Physica D: Nonlinear Phenomena","publisher":"Elsevier","author":[{"id":"47427","last_name":"Peitz","orcid":"0000-0002-3389-793X","full_name":"Peitz, Sebastian","first_name":"Sebastian"},{"last_name":"Stenner","id":"65520","first_name":"Jan","full_name":"Stenner, Jan"},{"first_name":"Vikas","full_name":"Chidananda, Vikas","last_name":"Chidananda"},{"id":"11291","last_name":"Wallscheid","full_name":"Wallscheid, Oliver","orcid":"https://orcid.org/0000-0001-9362-8777","first_name":"Oliver"},{"last_name":"Brunton","full_name":"Brunton, Steven L.","first_name":"Steven L."},{"full_name":"Taira, Kunihiko","first_name":"Kunihiko","last_name":"Taira"}],"date_created":"2023-01-26T07:56:26Z","status":"public","volume":461,"intvolume":" 461","_id":"40171","main_file_link":[{"open_access":"1","url":"https://doi.org/10.1016/j.physd.2024.134096"}],"page":"134096","citation":{"short":"S. Peitz, J. Stenner, V. Chidananda, O. Wallscheid, S.L. Brunton, K. Taira, Physica D: Nonlinear Phenomena 461 (2024) 134096.","ieee":"S. Peitz, J. Stenner, V. Chidananda, O. Wallscheid, S. L. Brunton, and K. Taira, “Distributed Control of Partial Differential Equations Using Convolutional Reinforcement Learning,” Physica D: Nonlinear Phenomena, vol. 461, p. 134096, 2024, doi: 10.1016/j.physd.2024.134096.","chicago":"Peitz, Sebastian, Jan Stenner, Vikas Chidananda, Oliver Wallscheid, Steven L. Brunton, and Kunihiko Taira. “Distributed Control of Partial Differential Equations Using Convolutional Reinforcement Learning.” Physica D: Nonlinear Phenomena 461 (2024): 134096. https://doi.org/10.1016/j.physd.2024.134096.","apa":"Peitz, S., Stenner, J., Chidananda, V., Wallscheid, O., Brunton, S. L., & Taira, K. (2024). Distributed Control of Partial Differential Equations Using Convolutional Reinforcement Learning. Physica D: Nonlinear Phenomena, 461, 134096. https://doi.org/10.1016/j.physd.2024.134096","ama":"Peitz S, Stenner J, Chidananda V, Wallscheid O, Brunton SL, Taira K. Distributed Control of Partial Differential Equations Using Convolutional Reinforcement Learning. Physica D: Nonlinear Phenomena. 2024;461:134096. doi:10.1016/j.physd.2024.134096","bibtex":"@article{Peitz_Stenner_Chidananda_Wallscheid_Brunton_Taira_2024, title={Distributed Control of Partial Differential Equations Using Convolutional Reinforcement Learning}, volume={461}, DOI={10.1016/j.physd.2024.134096}, journal={Physica D: Nonlinear Phenomena}, publisher={Elsevier}, author={Peitz, Sebastian and Stenner, Jan and Chidananda, Vikas and Wallscheid, Oliver and Brunton, Steven L. and Taira, Kunihiko}, year={2024}, pages={134096} }","mla":"Peitz, Sebastian, et al. “Distributed Control of Partial Differential Equations Using Convolutional Reinforcement Learning.” Physica D: Nonlinear Phenomena, vol. 461, Elsevier, 2024, p. 134096, doi:10.1016/j.physd.2024.134096."},"year":"2024","type":"journal_article"},{"article_type":"original","abstract":[{"text":"athematische Kompetenzen digital zu fördern und digitale Kompetenzen mathematisch zu fördern – dies ist eine Forderung der neuen Bildungsstandards mit Blick auf eine Bildung in der digitalen Welt. Gerade das Potenzial digitaler Medien für das fachliche Lernen wurde in vielen Studien bestätigt. Eine sinnvoll gestaltete Einbettung digitaler Medien bietet die Chance, allen fünf Prinzipien eines guten Unterrichts gerecht zu werden: Verstehensorientierung, Durchgängigkeit, kognitive Aktivierung, Lernendenorientierung & Adaptivität und Kommunikationsförderung. Die flächendeckende Nutzung digitaler Medien etabliert sich bislang nur zögerlich. Aber wie können wir Lehrkräfte stärken, digitale Medien sinnvoll einzusetzen? Wir möchten hier die Bandbreite der Möglichkeiten an Beispielen verdeutlichen, ihren Einsatz motivieren und Wege für einen guten Unterricht aufzeigen.","lang":"ger"}],"user_id":"32202","ddc":["510","370"],"file":[{"file_size":1410541,"creator":"maxh","file_id":"51842","content_type":"application/pdf","date_updated":"2024-02-25T20:55:29Z","success":1,"relation":"main_file","date_created":"2024-02-25T20:55:29Z","file_name":"Barzel_etal_2024_DigitalisierungalsChancefrallePrinzipiengut.pdf","access_level":"closed"}],"author":[{"last_name":"Barzel","first_name":"Bärbel","full_name":"Barzel, Bärbel"},{"full_name":"Greefrath, Gilbert","first_name":"Gilbert","last_name":"Greefrath"},{"full_name":"Nagel, Mareike","first_name":"Mareike","last_name":"Nagel"},{"id":"32202","last_name":"Hoffmann","orcid":"0000-0002-6964-7123","full_name":"Hoffmann, Max","first_name":"Max"}],"file_date_updated":"2024-02-25T20:55:29Z","publication":"mathematik lehren","status":"public","has_accepted_license":"1","date_created":"2024-02-25T20:58:51Z","volume":242,"_id":"51841","intvolume":" 242","main_file_link":[{"url":"https://www.friedrich-verlag.de/shop/mwdownloads/download/link/id/114555/","open_access":"1"}],"year":"2024","citation":{"short":"B. Barzel, G. Greefrath, M. Nagel, M. Hoffmann, mathematik lehren 242 (2024) 42–47.","ieee":"B. Barzel, G. Greefrath, M. Nagel, and M. Hoffmann, “Digitalisierung als Chance für alle Prinzipien guten Unterrichts,” mathematik lehren, vol. 242, pp. 42–47, 2024.","chicago":"Barzel, Bärbel, Gilbert Greefrath, Mareike Nagel, and Max Hoffmann. “Digitalisierung als Chance für alle Prinzipien guten Unterrichts.” mathematik lehren 242 (2024): 42–47.","apa":"Barzel, B., Greefrath, G., Nagel, M., & Hoffmann, M. (2024). Digitalisierung als Chance für alle Prinzipien guten Unterrichts. mathematik lehren, 242, 42–47.","ama":"Barzel B, Greefrath G, Nagel M, Hoffmann M. Digitalisierung als Chance für alle Prinzipien guten Unterrichts. mathematik lehren. 2024;242:42-47.","mla":"Barzel, Bärbel, et al. “Digitalisierung als Chance für alle Prinzipien guten Unterrichts.” mathematik lehren, vol. 242, 2024, pp. 42–47.","bibtex":"@article{Barzel_Greefrath_Nagel_Hoffmann_2024, title={Digitalisierung als Chance für alle Prinzipien guten Unterrichts}, volume={242}, journal={mathematik lehren}, author={Barzel, Bärbel and Greefrath, Gilbert and Nagel, Mareike and Hoffmann, Max}, year={2024}, pages={42–47} }"},"type":"journal_article","page":"42 - 47","title":"Digitalisierung als Chance für alle Prinzipien guten Unterrichts","department":[{"_id":"97"},{"_id":"643"}],"publication_status":"published","date_updated":"2024-02-25T21:01:03Z","oa":"1","language":[{"iso":"ger"}]},{"status":"public","date_created":"2024-03-05T12:52:59Z","author":[{"last_name":"Dorociak","first_name":"Svitlana","full_name":"Dorociak, Svitlana"}],"department":[{"_id":"34"},{"_id":"7"},{"_id":"79"}],"user_id":"15578","title":"Implementierung eines Algorithmus zur motivbasierten Schnitt-Sparsifizierung","language":[{"iso":"eng"}],"supervisor":[{"full_name":"Scheideler, Christian","first_name":"Christian","id":"20792","last_name":"Scheideler"}],"citation":{"short":"S. Dorociak, Implementierung Eines Algorithmus Zur Motivbasierten Schnitt-Sparsifizierung, 2024.","ieee":"S. Dorociak, Implementierung eines Algorithmus zur motivbasierten Schnitt-Sparsifizierung. 2024.","chicago":"Dorociak, Svitlana. Implementierung Eines Algorithmus Zur Motivbasierten Schnitt-Sparsifizierung, 2024.","apa":"Dorociak, S. (2024). Implementierung eines Algorithmus zur motivbasierten Schnitt-Sparsifizierung.","ama":"Dorociak S. Implementierung Eines Algorithmus Zur Motivbasierten Schnitt-Sparsifizierung.; 2024.","mla":"Dorociak, Svitlana. Implementierung Eines Algorithmus Zur Motivbasierten Schnitt-Sparsifizierung. 2024.","bibtex":"@book{Dorociak_2024, title={Implementierung eines Algorithmus zur motivbasierten Schnitt-Sparsifizierung}, author={Dorociak, Svitlana}, year={2024} }"},"year":"2024","type":"bachelorsthesis","_id":"52318","date_updated":"2024-03-05T12:53:25Z"},{"date_updated":"2024-03-06T13:00:38Z","language":[{"iso":"eng"}],"title":"Toward an Android Static Analysis Approach for Data Protection","external_id":{"arxiv":["2402.07889"]},"department":[{"_id":"76"}],"conference":{"end_date":"2024-04-15","location":"Lisbon, Portugal","start_date":"2024-04-14","name":"9th International Conference on Mobile Software Engineering and Systems 2024"},"_id":"52235","citation":{"ieee":"M. Khedkar and E. Bodden, “Toward an Android Static Analysis Approach for Data Protection,” presented at the 9th International Conference on Mobile Software Engineering and Systems 2024, Lisbon, Portugal, 2024.","short":"M. Khedkar, E. Bodden, in: Proceedings of the 9th International Conference on Mobile Software Engineering and Systems, 2024.","bibtex":"@inproceedings{Khedkar_Bodden_2024, title={Toward an Android Static Analysis Approach for Data Protection}, booktitle={Proceedings of the 9th International Conference on Mobile Software Engineering and Systems}, author={Khedkar, Mugdha and Bodden, Eric}, year={2024} }","mla":"Khedkar, Mugdha, and Eric Bodden. “Toward an Android Static Analysis Approach for Data Protection.” Proceedings of the 9th International Conference on Mobile Software Engineering and Systems, 2024.","apa":"Khedkar, M., & Bodden, E. (2024). Toward an Android Static Analysis Approach for Data Protection. Proceedings of the 9th International Conference on Mobile Software Engineering and Systems. 9th International Conference on Mobile Software Engineering and Systems 2024, Lisbon, Portugal.","ama":"Khedkar M, Bodden E. Toward an Android Static Analysis Approach for Data Protection. In: Proceedings of the 9th International Conference on Mobile Software Engineering and Systems. ; 2024.","chicago":"Khedkar, Mugdha, and Eric Bodden. “Toward an Android Static Analysis Approach for Data Protection.” In Proceedings of the 9th International Conference on Mobile Software Engineering and Systems, 2024."},"year":"2024","type":"conference","ddc":["006"],"user_id":"88024","abstract":[{"lang":"eng","text":"Android applications collecting data from users must protect it according to the current legal frameworks. Such data protection has become even more important since the European Union rolled out the General Data Protection Regulation (GDPR). Since app developers are not legal experts, they find it difficult to write privacy-aware source code. Moreover, they have limited tool support to reason about data protection throughout their app development process.\r\nThis paper motivates the need for a static analysis approach to diagnose and explain data protection in Android apps. The analysis will recognize personal data sources in the source code, and aims to further examine the data flow originating from these sources. App developers can then address key questions about data manipulation, derived data, and the presence of technical measures. Despite challenges, we explore to what extent one can realize this analysis through static taint analysis, a common method for identifying security vulnerabilities. This is a first step towards designing a tool-based approach that aids app developers and assessors in ensuring data protection in Android apps, based on automated static program analysis. "}],"date_created":"2024-03-03T14:37:53Z","status":"public","has_accepted_license":"1","keyword":["static program analysis","data protection and privacy","GDPR compliance"],"publication":"Proceedings of the 9th International Conference on Mobile Software Engineering and Systems","file_date_updated":"2024-03-03T14:39:08Z","author":[{"id":"88024","last_name":"Khedkar","full_name":"Khedkar, Mugdha","first_name":"Mugdha"},{"id":"59256","last_name":"Bodden","orcid":"0000-0003-3470-3647","full_name":"Bodden, Eric","first_name":"Eric"}],"file":[{"file_size":530812,"creator":"khedkarm","file_id":"52236","date_updated":"2024-03-03T14:39:08Z","content_type":"application/pdf","success":1,"relation":"main_file","file_name":"2402.07889v1.pdf","date_created":"2024-03-03T14:39:08Z","access_level":"closed"}]},{"language":[{"iso":"eng"}],"citation":{"chicago":"Dalfó, C., M. A. Fiol, and Eckhard Steffen. “On Token Signed Graphs.” ArXiv:2403.02924, 2024.","ama":"Dalfó C, Fiol MA, Steffen E. On token signed graphs. arXiv:240302924. Published online 2024.","apa":"Dalfó, C., Fiol, M. A., & Steffen, E. (2024). On token signed graphs. In arXiv:2403.02924.","bibtex":"@article{Dalfó_Fiol_Steffen_2024, title={On token signed graphs}, journal={arXiv:2403.02924}, author={Dalfó, C. and Fiol, M. A. and Steffen, Eckhard}, year={2024} }","mla":"Dalfó, C., et al. “On Token Signed Graphs.” ArXiv:2403.02924, 2024.","short":"C. Dalfó, M.A. Fiol, E. Steffen, ArXiv:2403.02924 (2024).","ieee":"C. Dalfó, M. A. Fiol, and E. Steffen, “On token signed graphs,” arXiv:2403.02924. 2024."},"year":"2024","type":"preprint","date_updated":"2024-03-07T08:50:33Z","_id":"52342","status":"public","date_created":"2024-03-07T08:48:39Z","author":[{"first_name":"C.","full_name":"Dalfó, C.","last_name":"Dalfó"},{"first_name":"M. A.","full_name":"Fiol, M. A.","last_name":"Fiol"},{"first_name":"Eckhard","full_name":"Steffen, Eckhard","orcid":"0000-0002-9808-7401","last_name":"Steffen","id":"15548"}],"department":[{"_id":"542"}],"publication":"arXiv:2403.02924","user_id":"15540","title":"On token signed graphs","external_id":{"arxiv":["2403.02924"]},"abstract":[{"lang":"eng","text":"We introduce the concept of a k-token signed graph and study some of its combinatorial and algebraic properties. We prove that two switching isomorphic signed graphs have switching isomorphic token graphs. Moreover, we show that the Laplacian spectrum of a balanced signed graph is contained in the Laplacian spectra of its k-token signed graph. Besides, we introduce and study the unbalance level of a signed graph, which is a new parameter that measures how far a signed graph is from being balanced. Moreover, we study the relation between the frustration index and the unbalance level of signed graphs and their token signed graphs. "}]},{"citation":{"ieee":"E. Bodden, J. Pottebaum, M. Fockel, and I. Gräßler, “Evaluating Security Through Isolation and Defense in Depth,” IEEE Security & Privacy, vol. 22, no. 1, pp. 69–72, 2024, doi: 10.1109/msec.2023.3336028.","short":"E. Bodden, J. Pottebaum, M. Fockel, I. Gräßler, IEEE Security & Privacy 22 (2024) 69–72.","bibtex":"@article{Bodden_Pottebaum_Fockel_Gräßler_2024, title={Evaluating Security Through Isolation and Defense in Depth}, volume={22}, DOI={10.1109/msec.2023.3336028}, number={1}, journal={IEEE Security & Privacy}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Bodden, Eric and Pottebaum, Jens and Fockel, Markus and Gräßler, Iris}, year={2024}, pages={69–72} }","mla":"Bodden, Eric, et al. “Evaluating Security Through Isolation and Defense in Depth.” IEEE Security & Privacy, vol. 22, no. 1, Institute of Electrical and Electronics Engineers (IEEE), 2024, pp. 69–72, doi:10.1109/msec.2023.3336028.","chicago":"Bodden, Eric, Jens Pottebaum, Markus Fockel, and Iris Gräßler. “Evaluating Security Through Isolation and Defense in Depth.” IEEE Security & Privacy 22, no. 1 (2024): 69–72. https://doi.org/10.1109/msec.2023.3336028.","ama":"Bodden E, Pottebaum J, Fockel M, Gräßler I. Evaluating Security Through Isolation and Defense in Depth. IEEE Security & Privacy. 2024;22(1):69-72. doi:10.1109/msec.2023.3336028","apa":"Bodden, E., Pottebaum, J., Fockel, M., & Gräßler, I. (2024). Evaluating Security Through Isolation and Defense in Depth. IEEE Security & Privacy, 22(1), 69–72. https://doi.org/10.1109/msec.2023.3336028"},"type":"journal_article","year":"2024","page":"69-72","issue":"1","intvolume":" 22","_id":"52587","volume":22,"status":"public","date_created":"2024-03-15T20:16:18Z","publisher":"Institute of Electrical and Electronics Engineers (IEEE)","quality_controlled":"1","author":[{"last_name":"Bodden","id":"59256","first_name":"Eric","full_name":"Bodden, Eric","orcid":"0000-0003-3470-3647"},{"orcid":"http://orcid.org/0000-0001-8778-2989","full_name":"Pottebaum, Jens","first_name":"Jens","id":"405","last_name":"Pottebaum"},{"first_name":"Markus","full_name":"Fockel, Markus","last_name":"Fockel"},{"orcid":"0000-0001-5765-971X","full_name":"Gräßler, Iris","first_name":"Iris","id":"47565","last_name":"Gräßler"}],"keyword":["Law","Electrical and Electronic Engineering","Computer Networks and Communications"],"publication":"IEEE Security & Privacy","user_id":"405","language":[{"iso":"eng"}],"doi":"10.1109/msec.2023.3336028","date_updated":"2024-03-15T20:25:13Z","publication_identifier":{"issn":["1540-7993","1558-4046"]},"publication_status":"published","department":[{"_id":"152"},{"_id":"76"},{"_id":"241"}],"title":"Evaluating Security Through Isolation and Defense in Depth"},{"title":"Learning Bilinear Models of Actuated Koopman Generators from Partially-Observed Trajectories","external_id":{"arxiv":["2209.09977"]},"project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"publication_status":"published","department":[{"_id":"655"}],"oa":"1","doi":"10.1137/22M1523601","date_updated":"2024-03-18T10:40:08Z","language":[{"iso":"eng"}],"user_id":"47427","abstract":[{"lang":"eng","text":"Data-driven models for nonlinear dynamical systems based on approximating the underlying Koopman operator or generator have proven to be successful tools for forecasting, feature learning, state estimation, and control. It has become well known that the Koopman generators for control-affine systems also have affine dependence on the input, leading to convenient finite-dimensional bilinear approximations of the dynamics. Yet there are still two main obstacles that limit the scope of current approaches for approximating the Koopman generators of systems with actuation. First, the performance of existing methods depends heavily on the choice of basis functions over which the Koopman generator is to be approximated; and there is currently no universal way to choose them for systems that are not measure preserving. Secondly, if we do not observe the full state, we may not gain access to a sufficiently rich collection of such functions to describe the dynamics. This is because the commonly used method of forming time-delayed observables fails when there is actuation. To remedy these issues, we write the dynamics of observables governed by the Koopman generator as a bilinear hidden Markov model, and determine the model parameters using the expectation-maximization (EM) algorithm. The E-step involves a standard Kalman filter and smoother, while the M-step resembles control-affine dynamic mode decomposition for the generator. We demonstrate the performance of this method on three examples, including recovery of a finite-dimensional Koopman-invariant subspace for an actuated system with a slow manifold; estimation of Koopman eigenfunctions for the unforced Duffing equation; and model-predictive control of a fluidic pinball system based only on noisy observations of lift and drag."}],"date_created":"2022-09-22T07:21:40Z","status":"public","volume":23,"publication":"SIAM Journal on Applied Dynamical Systems","author":[{"full_name":"Otto, Samuel E.","first_name":"Samuel E.","last_name":"Otto"},{"last_name":"Peitz","id":"47427","first_name":"Sebastian","orcid":"0000-0002-3389-793X","full_name":"Peitz, Sebastian"},{"first_name":"Clarence W.","full_name":"Rowley, Clarence W.","last_name":"Rowley"}],"publisher":"SIAM","issue":"1","_id":"33461","intvolume":" 23","page":"885-923","citation":{"ieee":"S. E. Otto, S. Peitz, and C. W. Rowley, “Learning Bilinear Models of Actuated Koopman Generators from Partially-Observed Trajectories,” SIAM Journal on Applied Dynamical Systems, vol. 23, no. 1, pp. 885–923, 2024, doi: 10.1137/22M1523601.","short":"S.E. Otto, S. Peitz, C.W. Rowley, SIAM Journal on Applied Dynamical Systems 23 (2024) 885–923.","bibtex":"@article{Otto_Peitz_Rowley_2024, title={Learning Bilinear Models of Actuated Koopman Generators from Partially-Observed Trajectories}, volume={23}, DOI={10.1137/22M1523601}, number={1}, journal={SIAM Journal on Applied Dynamical Systems}, publisher={SIAM}, author={Otto, Samuel E. and Peitz, Sebastian and Rowley, Clarence W.}, year={2024}, pages={885–923} }","mla":"Otto, Samuel E., et al. “Learning Bilinear Models of Actuated Koopman Generators from Partially-Observed Trajectories.” SIAM Journal on Applied Dynamical Systems, vol. 23, no. 1, SIAM, 2024, pp. 885–923, doi:10.1137/22M1523601.","chicago":"Otto, Samuel E., Sebastian Peitz, and Clarence W. Rowley. “Learning Bilinear Models of Actuated Koopman Generators from Partially-Observed Trajectories.” SIAM Journal on Applied Dynamical Systems 23, no. 1 (2024): 885–923. https://doi.org/10.1137/22M1523601.","ama":"Otto SE, Peitz S, Rowley CW. Learning Bilinear Models of Actuated Koopman Generators from Partially-Observed Trajectories. SIAM Journal on Applied Dynamical Systems. 2024;23(1):885-923. doi:10.1137/22M1523601","apa":"Otto, S. E., Peitz, S., & Rowley, C. W. (2024). Learning Bilinear Models of Actuated Koopman Generators from Partially-Observed Trajectories. SIAM Journal on Applied Dynamical Systems, 23(1), 885–923. https://doi.org/10.1137/22M1523601"},"year":"2024","type":"journal_article","main_file_link":[{"url":"https://arxiv.org/pdf/2209.09977.pdf","open_access":"1"}]},{"title":"Supporting Error Chains in Static Analysis for Precise Evaluation Results and Enhanced Usability","user_id":"32312","abstract":[{"text":"Context\r\nStatic analyses are well-established to aid in understanding bugs or vulnerabilities during the development process or in large-scale studies. A low false-positive rate is essential for the adaption in practice and for precise results of empirical studies. Unfortunately, static analyses tend to report where a vulnerability manifests rather than the fix location. This can cause presumed false positives or imprecise results.\r\nMethod\r\nTo address this problem, we designed an adaption of an existing static analysis algorithm that can distinguish between a manifestation and fix location, and reports error chains. An error chain represents at least two interconnected errors that occur successively, thus building the connection between the fix and manifestation location. We used our tool CogniCryptSUBS for a case study on 471 GitHub repositories, a performance benchmark to compare different analysis configurations, and conducted an expert interview.\r\nResult\r\nWe found that 50 % of the projects with a report had at least one error chain. Our runtime benchmark demonstrated that our improvement caused only a minimal runtime overhead of less than 4 %. The results of our expert interview indicate that with our adapted version participants require fewer executions of the analysis.\r\nConclusion\r\nOur results indicate that error chains occur frequently in real-world projects, and ignoring them can lead to imprecise evaluation results. The runtime benchmark indicates that our tool is a feasible and efficient solution for detecting error chains in real-world projects. Further, our results gave a hint that the usability of static analyses may benefit from supporting error chains.","lang":"eng"}],"status":"public","date_created":"2024-03-20T09:28:36Z","author":[{"full_name":"Wickert, Anna-Katharina","first_name":"Anna-Katharina","last_name":"Wickert"},{"last_name":"Schlichtig","id":"32312","first_name":"Michael","full_name":"Schlichtig, Michael","orcid":"0000-0001-6600-6171"},{"last_name":"Vogel","first_name":"Marvin","full_name":"Vogel, Marvin"},{"full_name":"Winter, Lukas","first_name":"Lukas","last_name":"Winter"},{"last_name":"Mezini","full_name":"Mezini, Mira","first_name":"Mira"},{"first_name":"Eric","orcid":"0000-0003-3470-3647","full_name":"Bodden, Eric","last_name":"Bodden","id":"59256"}],"keyword":["Static analysis","error chains","false positive re- duction","empirical studies"],"department":[{"_id":"76"}],"_id":"52663","date_updated":"2024-03-20T09:32:29Z","year":"2024","type":"misc","citation":{"ieee":"A.-K. Wickert, M. Schlichtig, M. Vogel, L. Winter, M. Mezini, and E. Bodden, Supporting Error Chains in Static Analysis for Precise Evaluation Results and Enhanced Usability. 2024.","short":"A.-K. Wickert, M. Schlichtig, M. Vogel, L. Winter, M. Mezini, E. Bodden, Supporting Error Chains in Static Analysis for Precise Evaluation Results and Enhanced Usability, 2024.","mla":"Wickert, Anna-Katharina, et al. Supporting Error Chains in Static Analysis for Precise Evaluation Results and Enhanced Usability. 2024.","bibtex":"@book{Wickert_Schlichtig_Vogel_Winter_Mezini_Bodden_2024, title={Supporting Error Chains in Static Analysis for Precise Evaluation Results and Enhanced Usability}, author={Wickert, Anna-Katharina and Schlichtig, Michael and Vogel, Marvin and Winter, Lukas and Mezini, Mira and Bodden, Eric}, year={2024} }","apa":"Wickert, A.-K., Schlichtig, M., Vogel, M., Winter, L., Mezini, M., & Bodden, E. (2024). Supporting Error Chains in Static Analysis for Precise Evaluation Results and Enhanced Usability.","ama":"Wickert A-K, Schlichtig M, Vogel M, Winter L, Mezini M, Bodden E. Supporting Error Chains in Static Analysis for Precise Evaluation Results and Enhanced Usability.; 2024.","chicago":"Wickert, Anna-Katharina, Michael Schlichtig, Marvin Vogel, Lukas Winter, Mira Mezini, and Eric Bodden. Supporting Error Chains in Static Analysis for Precise Evaluation Results and Enhanced Usability, 2024."},"language":[{"iso":"eng"}],"main_file_link":[{"url":"https://arxiv.org/abs/2403.07808"}]},{"abstract":[{"lang":"eng","text":"We prove Feynman-Kac formulas for the semigroups generated by selfadjoint\r\noperators in a class containing Fr\\\"ohlich Hamiltonians known from solid state\r\nphysics. The latter model multi-polarons, i.e., a fixed number of quantum\r\nmechanical electrons moving in a polarizable crystal and interacting with the\r\nquantized phonon field generated by the crystal's vibrational modes. Both the\r\nelectrons and phonons can be confined to suitable open subsets of Euclidean\r\nspace. We also include possibly very singular magnetic vector potentials and\r\nelectrostatic potentials. Our Feynman-Kac formulas comprise Fock space\r\noperator-valued multiplicative functionals and can be applied to every vector\r\nin the underlying Hilbert space. In comparison to the renormalized Nelson\r\nmodel, for which analogous Feynman-Kac formulas are known, the analysis of the\r\ncreation and annihilation terms in the multiplicative functionals requires\r\nnovel ideas to overcome difficulties caused by the phonon dispersion relation\r\nbeing constant. Getting these terms under control and generalizing other\r\nconstruction steps so as to cover confined systems are the main achievements of\r\nthis article."}],"external_id":{"arxiv":["2403.12147"]},"title":"Feynman-Kac formulas for semigroups generated by multi-polaron Hamiltonians in magnetic fields and on general domains","user_id":"99427","author":[{"first_name":"Benjamin","full_name":"Hinrichs, Benjamin","orcid":"0000-0001-9074-1205","last_name":"Hinrichs","id":"99427"},{"first_name":"Oliver","full_name":"Matte, Oliver","last_name":"Matte"}],"publication":"arXiv:2403.12147","department":[{"_id":"799"}],"status":"public","date_created":"2024-03-20T14:56:05Z","date_updated":"2024-03-20T14:56:50Z","_id":"52691","type":"preprint","year":"2024","citation":{"short":"B. Hinrichs, O. Matte, ArXiv:2403.12147 (2024).","ieee":"B. Hinrichs and O. Matte, “Feynman-Kac formulas for semigroups generated by multi-polaron Hamiltonians in magnetic fields and on general domains,” arXiv:2403.12147. 2024.","chicago":"Hinrichs, Benjamin, and Oliver Matte. “Feynman-Kac Formulas for Semigroups Generated by Multi-Polaron Hamiltonians in Magnetic Fields and on General Domains.” ArXiv:2403.12147, 2024.","apa":"Hinrichs, B., & Matte, O. (2024). Feynman-Kac formulas for semigroups generated by multi-polaron Hamiltonians in magnetic fields and on general domains. In arXiv:2403.12147.","ama":"Hinrichs B, Matte O. Feynman-Kac formulas for semigroups generated by multi-polaron Hamiltonians in magnetic fields and on general domains. arXiv:240312147. Published online 2024.","bibtex":"@article{Hinrichs_Matte_2024, title={Feynman-Kac formulas for semigroups generated by multi-polaron Hamiltonians in magnetic fields and on general domains}, journal={arXiv:2403.12147}, author={Hinrichs, Benjamin and Matte, Oliver}, year={2024} }","mla":"Hinrichs, Benjamin, and Oliver Matte. “Feynman-Kac Formulas for Semigroups Generated by Multi-Polaron Hamiltonians in Magnetic Fields and on General Domains.” ArXiv:2403.12147, 2024."},"language":[{"iso":"eng"}]},{"date_created":"2024-03-20T12:24:50Z","status":"public","publication_status":"published","publication_identifier":{"issn":["2509-3428","2509-3436"]},"department":[{"_id":"78"}],"keyword":["General Engineering","Energy Engineering and Power Technology"],"publication":"Journal of Hardware and Systems Security","author":[{"first_name":"Qazi Arbab","full_name":"Ahmed, Qazi Arbab","orcid":"0000-0002-1837-2254","last_name":"Ahmed","id":"72764"},{"last_name":"Wiersema","id":"3118","first_name":"Tobias","full_name":"Wiersema, Tobias"},{"id":"398","last_name":"Platzner","full_name":"Platzner, Marco","first_name":"Marco"}],"publisher":"Springer Science and Business Media LLC","user_id":"72764","title":"Post-configuration Activation of Hardware Trojans in FPGAs","language":[{"iso":"eng"}],"type":"journal_article","citation":{"mla":"Ahmed, Qazi Arbab, et al. “Post-Configuration Activation of Hardware Trojans in FPGAs.” Journal of Hardware and Systems Security, Springer Science and Business Media LLC, 2024, doi:10.1007/s41635-024-00147-5.","bibtex":"@article{Ahmed_Wiersema_Platzner_2024, title={Post-configuration Activation of Hardware Trojans in FPGAs}, DOI={10.1007/s41635-024-00147-5}, journal={Journal of Hardware and Systems Security}, publisher={Springer Science and Business Media LLC}, author={Ahmed, Qazi Arbab and Wiersema, Tobias and Platzner, Marco}, year={2024} }","chicago":"Ahmed, Qazi Arbab, Tobias Wiersema, and Marco Platzner. “Post-Configuration Activation of Hardware Trojans in FPGAs.” Journal of Hardware and Systems Security, 2024. https://doi.org/10.1007/s41635-024-00147-5.","apa":"Ahmed, Q. A., Wiersema, T., & Platzner, M. (2024). Post-configuration Activation of Hardware Trojans in FPGAs. Journal of Hardware and Systems Security. https://doi.org/10.1007/s41635-024-00147-5","ama":"Ahmed QA, Wiersema T, Platzner M. Post-configuration Activation of Hardware Trojans in FPGAs. Journal of Hardware and Systems Security. Published online 2024. doi:10.1007/s41635-024-00147-5","ieee":"Q. A. Ahmed, T. Wiersema, and M. Platzner, “Post-configuration Activation of Hardware Trojans in FPGAs,” Journal of Hardware and Systems Security, 2024, doi: 10.1007/s41635-024-00147-5.","short":"Q.A. Ahmed, T. Wiersema, M. Platzner, Journal of Hardware and Systems Security (2024)."},"year":"2024","doi":"10.1007/s41635-024-00147-5","date_updated":"2024-03-20T12:31:36Z","_id":"52686"},{"issue":"4","_id":"52700","intvolume":" 99","type":"journal_article","citation":{"short":"V. Myroshnychenko, P.M. Mulavarickal Jose, H. Farheen, S. Ejaz, C. Brosseau, J. Förstner, Physica Scripta 99 (2024) 045952.","ieee":"V. Myroshnychenko, P. M. Mulavarickal Jose, H. Farheen, S. Ejaz, C. Brosseau, and J. Förstner, “From Swiss-cheese to discrete ferroelectric composites: assessing the ferroelectric butterfly shape in polarization loops,” Physica Scripta, vol. 99, no. 4, p. 045952, 2024, doi: 10.1088/1402-4896/ad3172.","chicago":"Myroshnychenko, Viktor, Pious Mathews Mulavarickal Jose, Henna Farheen, Shafaq Ejaz, Christian Brosseau, and Jens Förstner. “From Swiss-Cheese to Discrete Ferroelectric Composites: Assessing the Ferroelectric Butterfly Shape in Polarization Loops.” Physica Scripta 99, no. 4 (2024): 045952. https://doi.org/10.1088/1402-4896/ad3172.","ama":"Myroshnychenko V, Mulavarickal Jose PM, Farheen H, Ejaz S, Brosseau C, Förstner J. From Swiss-cheese to discrete ferroelectric composites: assessing the ferroelectric butterfly shape in polarization loops. Physica Scripta. 2024;99(4):045952. doi:10.1088/1402-4896/ad3172","apa":"Myroshnychenko, V., Mulavarickal Jose, P. M., Farheen, H., Ejaz, S., Brosseau, C., & Förstner, J. (2024). From Swiss-cheese to discrete ferroelectric composites: assessing the ferroelectric butterfly shape in polarization loops. Physica Scripta, 99(4), 045952. https://doi.org/10.1088/1402-4896/ad3172","mla":"Myroshnychenko, Viktor, et al. “From Swiss-Cheese to Discrete Ferroelectric Composites: Assessing the Ferroelectric Butterfly Shape in Polarization Loops.” Physica Scripta, vol. 99, no. 4, IOP Publishing, 2024, p. 045952, doi:10.1088/1402-4896/ad3172.","bibtex":"@article{Myroshnychenko_Mulavarickal Jose_Farheen_Ejaz_Brosseau_Förstner_2024, title={From Swiss-cheese to discrete ferroelectric composites: assessing the ferroelectric butterfly shape in polarization loops}, volume={99}, DOI={10.1088/1402-4896/ad3172}, number={4}, journal={Physica Scripta}, publisher={IOP Publishing}, author={Myroshnychenko, Viktor and Mulavarickal Jose, Pious Mathews and Farheen, Henna and Ejaz, Shafaq and Brosseau, Christian and Förstner, Jens}, year={2024}, pages={045952} }"},"year":"2024","page":"045952","user_id":"158","ddc":["530"],"abstract":[{"text":"We explore the polarization hysteretic behaviour and field-dependent permittivity of ferroelectric-dielectric 2D materials formed by random dispersions of low permittivity inclusions in a ferroelectric matrix, using finite element simulations. We show how the degree of impenetrability of dielectric inclusions plays a substantial role in controlling the coercive field, remnant and saturation polarizations of the homogenized materials. The results highlight the significance of the degree of impenetrability of inclusion in tuning the effective polarization properties of such ferroelectric composites: coercive field drops significantly as percolation threshold is attained and remnant polarization decreases faster than a linear decay.","lang":"eng"}],"status":"public","has_accepted_license":"1","date_created":"2024-03-21T10:34:48Z","volume":99,"file":[{"access_level":"open_access","date_created":"2024-03-21T10:39:32Z","file_name":"2024-03 Myroshnychenko - Physica Scripta - From Swiss-cheese to discrete ferroelectric.pdf","content_type":"application/pdf","date_updated":"2024-03-21T10:39:32Z","relation":"main_file","file_size":5386508,"file_id":"52701","creator":"fossie"}],"author":[{"full_name":"Myroshnychenko, Viktor","first_name":"Viktor","id":"46371","last_name":"Myroshnychenko"},{"last_name":"Mulavarickal Jose","first_name":"Pious Mathews","full_name":"Mulavarickal Jose, Pious Mathews"},{"first_name":"Henna","full_name":"Farheen, Henna","last_name":"Farheen"},{"last_name":"Ejaz","full_name":"Ejaz, Shafaq","first_name":"Shafaq"},{"first_name":"Christian","full_name":"Brosseau, Christian","last_name":"Brosseau"},{"full_name":"Förstner, Jens","orcid":"0000-0001-7059-9862","first_name":"Jens","id":"158","last_name":"Förstner"}],"publisher":"IOP Publishing","keyword":["tet_topic_ferro"],"publication":"Physica Scripta","file_date_updated":"2024-03-21T10:39:32Z","oa":"1","doi":"10.1088/1402-4896/ad3172","date_updated":"2024-03-21T10:40:51Z","language":[{"iso":"eng"}],"title":"From Swiss-cheese to discrete ferroelectric composites: assessing the ferroelectric butterfly shape in polarization loops","project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"publication_status":"published","publication_identifier":{"issn":["0031-8949","1402-4896"]},"department":[{"_id":"61"},{"_id":"230"}]},{"language":[{"iso":"eng"}],"year":"2024","citation":{"chicago":"Sparmann, Sören, Sven Hüsing, and Carsten Schulte. “JuGaze: A Cell-Based Eye Tracking and Logging Tool for Jupyter Notebooks.” In Proceedings of the 23rd Koli Calling International Conference on Computing Education Research. ACM, 2024. https://doi.org/10.1145/3631802.3631824.","ama":"Sparmann S, Hüsing S, Schulte C. JuGaze: A Cell-based Eye Tracking and Logging Tool for Jupyter Notebooks. In: Proceedings of the 23rd Koli Calling International Conference on Computing Education Research. ACM; 2024. doi:10.1145/3631802.3631824","apa":"Sparmann, S., Hüsing, S., & Schulte, C. (2024). JuGaze: A Cell-based Eye Tracking and Logging Tool for Jupyter Notebooks. Proceedings of the 23rd Koli Calling International Conference on Computing Education Research. https://doi.org/10.1145/3631802.3631824","mla":"Sparmann, Sören, et al. “JuGaze: A Cell-Based Eye Tracking and Logging Tool for Jupyter Notebooks.” Proceedings of the 23rd Koli Calling International Conference on Computing Education Research, ACM, 2024, doi:10.1145/3631802.3631824.","bibtex":"@inproceedings{Sparmann_Hüsing_Schulte_2024, title={JuGaze: A Cell-based Eye Tracking and Logging Tool for Jupyter Notebooks}, DOI={10.1145/3631802.3631824}, booktitle={Proceedings of the 23rd Koli Calling International Conference on Computing Education Research}, publisher={ACM}, author={Sparmann, Sören and Hüsing, Sven and Schulte, Carsten}, year={2024} }","short":"S. Sparmann, S. Hüsing, C. Schulte, in: Proceedings of the 23rd Koli Calling International Conference on Computing Education Research, ACM, 2024.","ieee":"S. Sparmann, S. Hüsing, and C. Schulte, “JuGaze: A Cell-based Eye Tracking and Logging Tool for Jupyter Notebooks,” 2024, doi: 10.1145/3631802.3631824."},"type":"conference","date_updated":"2024-03-21T23:19:13Z","_id":"52380","doi":"10.1145/3631802.3631824","department":[{"_id":"67"}],"publication":"Proceedings of the 23rd Koli Calling International Conference on Computing Education Research","author":[{"last_name":"Sparmann","id":"63216","first_name":"Sören","full_name":"Sparmann, Sören"},{"first_name":"Sven","full_name":"Hüsing, Sven","last_name":"Hüsing","id":"58465"},{"id":"60311","last_name":"Schulte","full_name":"Schulte, Carsten","first_name":"Carsten"}],"publisher":"ACM","date_created":"2024-03-08T08:02:10Z","status":"public","publication_status":"published","user_id":"58465","title":"JuGaze: A Cell-based Eye Tracking and Logging Tool for Jupyter Notebooks"},{"type":"conference","year":"2024","citation":{"chicago":"Hüsing, Sven, Carsten Schulte, Sören Sparmann, and Mario Bolte. “Using Worked Examples for Engaging in Epistemic Programming Projects.” In Proceedings of the 55th ACM Technical Symposium on Computer Science Education V. 1. ACM, 2024. https://doi.org/10.1145/3626252.3630961.","apa":"Hüsing, S., Schulte, C., Sparmann, S., & Bolte, M. (2024). Using Worked Examples for Engaging in Epistemic Programming Projects. Proceedings of the 55th ACM Technical Symposium on Computer Science Education V. 1. https://doi.org/10.1145/3626252.3630961","ama":"Hüsing S, Schulte C, Sparmann S, Bolte M. Using Worked Examples for Engaging in Epistemic Programming Projects. In: Proceedings of the 55th ACM Technical Symposium on Computer Science Education V. 1. ACM; 2024. doi:10.1145/3626252.3630961","bibtex":"@inproceedings{Hüsing_Schulte_Sparmann_Bolte_2024, title={Using Worked Examples for Engaging in Epistemic Programming Projects}, DOI={10.1145/3626252.3630961}, booktitle={Proceedings of the 55th ACM Technical Symposium on Computer Science Education V. 1}, publisher={ACM}, author={Hüsing, Sven and Schulte, Carsten and Sparmann, Sören and Bolte, Mario}, year={2024} }","mla":"Hüsing, Sven, et al. “Using Worked Examples for Engaging in Epistemic Programming Projects.” Proceedings of the 55th ACM Technical Symposium on Computer Science Education V. 1, ACM, 2024, doi:10.1145/3626252.3630961.","short":"S. Hüsing, C. Schulte, S. Sparmann, M. Bolte, in: Proceedings of the 55th ACM Technical Symposium on Computer Science Education V. 1, ACM, 2024.","ieee":"S. Hüsing, C. Schulte, S. Sparmann, and M. Bolte, “Using Worked Examples for Engaging in Epistemic Programming Projects,” 2024, doi: 10.1145/3626252.3630961."},"language":[{"iso":"eng"}],"doi":"10.1145/3626252.3630961","date_updated":"2024-03-21T23:19:04Z","_id":"52379","publication_status":"published","status":"public","date_created":"2024-03-08T08:01:50Z","publisher":"ACM","author":[{"id":"58465","last_name":"Hüsing","full_name":"Hüsing, Sven","first_name":"Sven"},{"first_name":"Carsten","full_name":"Schulte, Carsten","last_name":"Schulte","id":"60311"},{"last_name":"Sparmann","id":"63216","first_name":"Sören","full_name":"Sparmann, Sören"},{"first_name":"Mario","full_name":"Bolte, Mario","last_name":"Bolte"}],"department":[{"_id":"67"}],"publication":"Proceedings of the 55th ACM Technical Symposium on Computer Science Education V. 1","title":"Using Worked Examples for Engaging in Epistemic Programming Projects","user_id":"58465"},{"title":"Heteroclinic dynamics in network dynamical systems with higher-order interactions","external_id":{"arxiv":["2309.02006"]},"publication_identifier":{"issn":["2051-1329"]},"publication_status":"published","department":[{"_id":"101"}],"doi":"10.1093/comnet/cnae009","oa":"1","date_updated":"2024-03-22T09:11:53Z","language":[{"iso":"eng"}],"ddc":["510"],"user_id":"97359","abstract":[{"text":"Heteroclinic structures organize global features of dynamical systems. We analyse whether heteroclinic structures can arise in network dynamics with higher-order interactions which describe the nonlinear interactions between three or more units. We find that while commonly analysed model equations such as network dynamics on undirected hypergraphs may be useful to describe local dynamics such as cluster synchronization, they give rise to obstructions that allow to design of heteroclinic structures in phase space. By contrast, directed hypergraphs break the homogeneity and lead to vector fields that support heteroclinic structures.","lang":"eng"}],"article_type":"original","volume":12,"date_created":"2024-03-22T09:04:57Z","has_accepted_license":"1","status":"public","publication":"Journal of Complex Networks","keyword":["Applied Mathematics","Computational Mathematics","Control and Optimization","Management Science and Operations Research","Computer Networks and Communications"],"file_date_updated":"2024-03-22T09:06:07Z","author":[{"last_name":"Bick","full_name":"Bick, Christian","first_name":"Christian"},{"id":"97359","last_name":"von der Gracht","orcid":"0000-0002-8054-2058","full_name":"von der Gracht, Sören","first_name":"Sören"}],"publisher":"Oxford University Press (OUP)","file":[{"access_level":"closed","date_created":"2024-03-22T09:06:07Z","file_name":"heteroclinic-dynamics-in-network-dynamical-systems-with-higher-order-interactions.pdf","relation":"main_file","success":1,"content_type":"application/pdf","date_updated":"2024-03-22T09:06:07Z","creator":"svdg","file_id":"52728","file_size":649155}],"issue":"2","intvolume":" 12","_id":"52726","type":"journal_article","citation":{"bibtex":"@article{Bick_von der Gracht_2024, title={Heteroclinic dynamics in network dynamical systems with higher-order interactions}, volume={12}, DOI={10.1093/comnet/cnae009}, number={2}, journal={Journal of Complex Networks}, publisher={Oxford University Press (OUP)}, author={Bick, Christian and von der Gracht, Sören}, year={2024} }","mla":"Bick, Christian, and Sören von der Gracht. “Heteroclinic Dynamics in Network Dynamical Systems with Higher-Order Interactions.” Journal of Complex Networks, vol. 12, no. 2, Oxford University Press (OUP), 2024, doi:10.1093/comnet/cnae009.","apa":"Bick, C., & von der Gracht, S. (2024). Heteroclinic dynamics in network dynamical systems with higher-order interactions. Journal of Complex Networks, 12(2). https://doi.org/10.1093/comnet/cnae009","ama":"Bick C, von der Gracht S. Heteroclinic dynamics in network dynamical systems with higher-order interactions. Journal of Complex Networks. 2024;12(2). doi:10.1093/comnet/cnae009","chicago":"Bick, Christian, and Sören von der Gracht. “Heteroclinic Dynamics in Network Dynamical Systems with Higher-Order Interactions.” Journal of Complex Networks 12, no. 2 (2024). https://doi.org/10.1093/comnet/cnae009.","ieee":"C. Bick and S. von der Gracht, “Heteroclinic dynamics in network dynamical systems with higher-order interactions,” Journal of Complex Networks, vol. 12, no. 2, 2024, doi: 10.1093/comnet/cnae009.","short":"C. Bick, S. von der Gracht, Journal of Complex Networks 12 (2024)."},"year":"2024","main_file_link":[{"open_access":"1","url":"https://academic.oup.com/comnet/article-pdf/12/2/cnae009/56832119/cnae009.pdf"}]},{"status":"public","date_created":"2023-12-20T10:31:27Z","volume":44,"publisher":"Springer Science and Business Media LLC","author":[{"full_name":"Ma, Yulai","first_name":"Yulai","id":"92748","last_name":"Ma"},{"last_name":"Mattiolo","full_name":"Mattiolo, Davide","first_name":"Davide"},{"id":"15548","last_name":"Steffen","orcid":"0000-0002-9808-7401","full_name":"Steffen, Eckhard","first_name":"Eckhard"},{"full_name":"Wolf, Isaak Hieronymus","first_name":"Isaak Hieronymus","id":"88145","last_name":"Wolf"}],"keyword":["Computational Mathematics","Discrete Mathematics and Combinatorics"],"publication":"Combinatorica","user_id":"15540","abstract":[{"lang":"eng","text":"For 0 ≤ t ≤ r let m(t, r) be the maximum number s such that every t-edge-connected r-graph has s pairwise disjoint perfect matchings. There are only a few values of m(t, r) known, for instance m(3, 3) = m(4, r) = 1, and m(t, r) ≤ r − 2 for all t \u0003 = 5,\r\nand m(t, r) ≤ r − 3 if r is even. We prove that m(2l, r) ≤ 3l − 6 for every l ≥ 3 and r ≥ 2l."}],"citation":{"ieee":"Y. Ma, D. Mattiolo, E. Steffen, and I. H. Wolf, “Edge-Connectivity and Pairwise Disjoint Perfect Matchings in Regular Graphs,” Combinatorica, vol. 44, pp. 429–440, 2024, doi: 10.1007/s00493-023-00078-9.","short":"Y. Ma, D. Mattiolo, E. Steffen, I.H. Wolf, Combinatorica 44 (2024) 429–440.","mla":"Ma, Yulai, et al. “Edge-Connectivity and Pairwise Disjoint Perfect Matchings in Regular Graphs.” Combinatorica, vol. 44, Springer Science and Business Media LLC, 2024, pp. 429–40, doi:10.1007/s00493-023-00078-9.","bibtex":"@article{Ma_Mattiolo_Steffen_Wolf_2024, title={Edge-Connectivity and Pairwise Disjoint Perfect Matchings in Regular Graphs}, volume={44}, DOI={10.1007/s00493-023-00078-9}, journal={Combinatorica}, publisher={Springer Science and Business Media LLC}, author={Ma, Yulai and Mattiolo, Davide and Steffen, Eckhard and Wolf, Isaak Hieronymus}, year={2024}, pages={429–440} }","chicago":"Ma, Yulai, Davide Mattiolo, Eckhard Steffen, and Isaak Hieronymus Wolf. “Edge-Connectivity and Pairwise Disjoint Perfect Matchings in Regular Graphs.” Combinatorica 44 (2024): 429–40. https://doi.org/10.1007/s00493-023-00078-9.","apa":"Ma, Y., Mattiolo, D., Steffen, E., & Wolf, I. H. (2024). Edge-Connectivity and Pairwise Disjoint Perfect Matchings in Regular Graphs. Combinatorica, 44, 429–440. https://doi.org/10.1007/s00493-023-00078-9","ama":"Ma Y, Mattiolo D, Steffen E, Wolf IH. Edge-Connectivity and Pairwise Disjoint Perfect Matchings in Regular Graphs. Combinatorica. 2024;44:429-440. doi:10.1007/s00493-023-00078-9"},"year":"2024","type":"journal_article","page":"429-440","intvolume":" 44","_id":"49905","publication_identifier":{"issn":["0209-9683","1439-6912"]},"publication_status":"published","department":[{"_id":"542"}],"title":"Edge-Connectivity and Pairwise Disjoint Perfect Matchings in Regular Graphs","language":[{"iso":"eng"}],"doi":"10.1007/s00493-023-00078-9","date_updated":"2024-03-22T12:11:35Z"},{"user_id":"209","title":"Time and Space Optimized Storage-based BIST under Multiple Voltages and Variations","publisher":"IEEE","quality_controlled":"1","author":[{"first_name":"Hanieh","full_name":"Jafarzadeh, Hanieh","last_name":"Jafarzadeh"},{"full_name":"Klemme, Florian","first_name":"Florian","last_name":"Klemme"},{"full_name":"Amrouch, Hussam","first_name":"Hussam","last_name":"Amrouch"},{"id":"209","last_name":"Hellebrand","orcid":"0000-0002-3717-3939","full_name":"Hellebrand, Sybille","first_name":"Sybille"},{"last_name":"Wunderlich","first_name":"Hans-Joachim","full_name":"Wunderlich, Hans-Joachim"}],"department":[{"_id":"48"}],"publication":"European Test Symposium, The Hague, Netherlands, May 20-24, 2024","status":"public","date_created":"2024-03-22T17:04:25Z","publication_status":"accepted","_id":"52744","date_updated":"2024-03-22T17:05:29Z","conference":{"end_date":"2024-05-24","location":"The Hague, NL","name":"IEEE European Test Symposium","start_date":"2024-05-20"},"language":[{"iso":"eng"}],"year":"2024","citation":{"mla":"Jafarzadeh, Hanieh, et al. “Time and Space Optimized Storage-Based BIST under Multiple Voltages and Variations.” European Test Symposium, The Hague, Netherlands, May 20-24, 2024, IEEE, p. 6.","bibtex":"@inproceedings{Jafarzadeh_Klemme_Amrouch_Hellebrand_Wunderlich, title={Time and Space Optimized Storage-based BIST under Multiple Voltages and Variations}, booktitle={European Test Symposium, The Hague, Netherlands, May 20-24, 2024}, publisher={IEEE}, author={Jafarzadeh, Hanieh and Klemme, Florian and Amrouch, Hussam and Hellebrand, Sybille and Wunderlich, Hans-Joachim}, pages={6} }","apa":"Jafarzadeh, H., Klemme, F., Amrouch, H., Hellebrand, S., & Wunderlich, H.-J. (n.d.). Time and Space Optimized Storage-based BIST under Multiple Voltages and Variations. European Test Symposium, The Hague, Netherlands, May 20-24, 2024, 6.","ama":"Jafarzadeh H, Klemme F, Amrouch H, Hellebrand S, Wunderlich H-J. Time and Space Optimized Storage-based BIST under Multiple Voltages and Variations. In: European Test Symposium, The Hague, Netherlands, May 20-24, 2024. IEEE; :6.","chicago":"Jafarzadeh, Hanieh, Florian Klemme, Hussam Amrouch, Sybille Hellebrand, and Hans-Joachim Wunderlich. “Time and Space Optimized Storage-Based BIST under Multiple Voltages and Variations.” In European Test Symposium, The Hague, Netherlands, May 20-24, 2024, 6. IEEE, n.d.","ieee":"H. Jafarzadeh, F. Klemme, H. Amrouch, S. Hellebrand, and H.-J. Wunderlich, “Time and Space Optimized Storage-based BIST under Multiple Voltages and Variations,” in European Test Symposium, The Hague, Netherlands, May 20-24, 2024, The Hague, NL, p. 6.","short":"H. Jafarzadeh, F. Klemme, H. Amrouch, S. Hellebrand, H.-J. Wunderlich, in: European Test Symposium, The Hague, Netherlands, May 20-24, 2024, IEEE, n.d., p. 6."},"type":"conference","page":"6"},{"language":[{"iso":"eng"}],"page":"6","year":"2024","citation":{"ieee":"H. Jafarzadeh, F. Klemme, H. Amrouch, S. Hellebrand, and H.-J. Wunderlich, “Vmin Testing under Variations: Defect vs. Fault Coverage,” in IEEE Latin American Test Symposium (LATS), Maceió, Brazil, April 9-12, 2024, Maceió, p. 6.","bibtex":"@inproceedings{Jafarzadeh_Klemme_Amrouch_Hellebrand_Wunderlich, title={Vmin Testing under Variations: Defect vs. Fault Coverage}, booktitle={IEEE Latin American Test Symposium (LATS), Maceió, Brazil, April 9-12, 2024}, publisher={IEEE}, author={Jafarzadeh, Hanieh and Klemme, Florian and Amrouch, Hussam and Hellebrand, Sybille and Wunderlich, Hans-Joachim}, pages={6} }","mla":"Jafarzadeh, Hanieh, et al. “Vmin Testing under Variations: Defect vs. Fault Coverage.” IEEE Latin American Test Symposium (LATS), Maceió, Brazil, April 9-12, 2024, IEEE, p. 6.","apa":"Jafarzadeh, H., Klemme, F., Amrouch, H., Hellebrand, S., & Wunderlich, H.-J. (n.d.). Vmin Testing under Variations: Defect vs. Fault Coverage. 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IEEE, n.d."},"type":"conference","conference":{"name":"IEEE Latin American Test Symposium (LATS)","start_date":"2024-04-09","location":"Maceió","end_date":"2024-04-12"},"date_updated":"2024-03-22T17:06:40Z","_id":"52742","date_created":"2024-03-22T16:49:22Z","status":"public","publication_status":"accepted","publication":"IEEE Latin American Test Symposium (LATS), Maceió, Brazil, April 9-12, 2024","department":[{"_id":"48"}],"publisher":"IEEE","quality_controlled":"1","author":[{"full_name":"Jafarzadeh, Hanieh","first_name":"Hanieh","last_name":"Jafarzadeh"},{"last_name":"Klemme","first_name":"Florian","full_name":"Klemme, Florian"},{"last_name":"Amrouch","first_name":"Hussam","full_name":"Amrouch, Hussam"},{"first_name":"Sybille","orcid":"0000-0002-3717-3939","full_name":"Hellebrand, Sybille","last_name":"Hellebrand","id":"209"},{"first_name":"Hans-Joachim","full_name":"Wunderlich, Hans-Joachim","last_name":"Wunderlich"}],"user_id":"209","title":"Vmin Testing under Variations: Defect vs. Fault Coverage"},{"title":"Functional Safety and Reliability of Interconnects throughout the Silicon Life Cycle","user_id":"209","publication_status":"accepted","date_created":"2024-03-22T16:57:53Z","status":"public","department":[{"_id":"48"}],"publication":"International Symposium of EDA (ISEDA), Xi'an, China, May 10-13, 2024","author":[{"last_name":"Hellebrand","id":"209","first_name":"Sybille","orcid":"0000-0002-3717-3939","full_name":"Hellebrand, Sybille"},{"last_name":"Sadeghi-Kohan","id":"78614","first_name":"Somayeh","full_name":"Sadeghi-Kohan, Somayeh","orcid":"https://orcid.org/0000-0001-7246-0610"},{"last_name":"Wunderlich","first_name":"Hans-Joachim","full_name":"Wunderlich, Hans-Joachim"}],"conference":{"end_date":"2024-05-13","location":"Xi'an, China","start_date":"2024-05-10","name":"International Symposium of EDA (ISEDA)"},"date_updated":"2024-03-22T17:06:02Z","_id":"52743","page":"1","type":"conference","citation":{"ieee":"S. Hellebrand, S. Sadeghi-Kohan, and H.-J. Wunderlich, “Functional Safety and Reliability of Interconnects throughout the Silicon Life Cycle,” in International Symposium of EDA (ISEDA), Xi’an, China, May 10-13, 2024, Xi’an, China, p. 1.","short":"S. Hellebrand, S. Sadeghi-Kohan, H.-J. 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Functional Safety and Reliability of Interconnects throughout the Silicon Life Cycle. International Symposium of EDA (ISEDA), Xi’an, China, May 10-13, 2024, 1.","ama":"Hellebrand S, Sadeghi-Kohan S, Wunderlich H-J. Functional Safety and Reliability of Interconnects throughout the Silicon Life Cycle. 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ITG / GMM / GI -Workshop \"Testmethoden und Zuverlässigkeit von Schaltungen und Systemen\" (TuZ'24), Feb. 2024","department":[{"_id":"48"}],"_id":"50284","date_updated":"2024-03-22T17:12:39Z","language":[{"iso":"eng"}],"citation":{"ieee":"A. Stiballe, J. D. Reimer, S. Sadeghi-Kohan, and S. Hellebrand, Modeling Crosstalk-induced Interconnect Delay with Polynomial Regression. Darmstadt, Germany: 37. ITG / GMM / GI -Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’24), Feb. 2024, 2024.","short":"A. Stiballe, J.D. Reimer, S. Sadeghi-Kohan, S. Hellebrand, Modeling Crosstalk-Induced Interconnect Delay with Polynomial Regression, 37. ITG / GMM / GI -Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’24), Feb. 2024, Darmstadt, Germany, 2024.","bibtex":"@book{Stiballe_Reimer_Sadeghi-Kohan_Hellebrand_2024, place={Darmstadt, Germany}, title={Modeling Crosstalk-induced Interconnect Delay with Polynomial Regression}, publisher={37. 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ITG / GMM / GI -Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’24), Feb. 2024; 2024.","chicago":"Stiballe, Alisa, Jan Dennis Reimer, Somayeh Sadeghi-Kohan, and Sybille Hellebrand. Modeling Crosstalk-Induced Interconnect Delay with Polynomial Regression. Darmstadt, Germany: 37. ITG / GMM / GI -Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’24), Feb. 2024, 2024."},"year":"2024","type":"misc"},{"title":"Differentially Private Natural Language Models: Recent Advances and Future Directions","user_id":"15504","department":[{"_id":"820"}],"publication":"Findings of the Association for Computational Linguistics: EACL 2024, St. Julian’s, Malta, March 17-22, 2024","author":[{"first_name":"Lijie","full_name":"Hu, Lijie","last_name":"Hu"},{"id":"101881","last_name":"Habernal","full_name":"Habernal, Ivan","first_name":"Ivan"},{"full_name":"Shen, Lei","first_name":"Lei","last_name":"Shen"},{"last_name":"Wang","first_name":"Di","full_name":"Wang, Di"}],"publisher":"Association for Computational Linguistics","editor":[{"last_name":"Graham","full_name":"Graham, Yvette","first_name":"Yvette"},{"last_name":"Purver","first_name":"Matthew","full_name":"Purver, Matthew"}],"date_created":"2024-03-25T10:30:32Z","status":"public","_id":"52827","date_updated":"2024-03-25T10:31:30Z","page":"478–499","citation":{"ama":"Hu L, Habernal I, Shen L, Wang D. Differentially Private Natural Language Models: Recent Advances and Future Directions. In: Graham Y, Purver M, eds. Findings of the Association for Computational Linguistics: EACL 2024, St. Julian’s, Malta, March 17-22, 2024. Association for Computational Linguistics; 2024:478–499.","apa":"Hu, L., Habernal, I., Shen, L., & Wang, D. (2024). Differentially Private Natural Language Models: Recent Advances and Future Directions. In Y. Graham & M. Purver (Eds.), Findings of the Association for Computational Linguistics: EACL 2024, St. Julian’s, Malta, March 17-22, 2024 (pp. 478–499). Association for Computational Linguistics.","chicago":"Hu, Lijie, Ivan Habernal, Lei Shen, and Di Wang. “Differentially Private Natural Language Models: Recent Advances and Future Directions.” In Findings of the Association for Computational Linguistics: EACL 2024, St. Julian’s, Malta, March 17-22, 2024, edited by Yvette Graham and Matthew Purver, 478–499. Association for Computational Linguistics, 2024.","mla":"Hu, Lijie, et al. “Differentially Private Natural Language Models: Recent Advances and Future Directions.” Findings of the Association for Computational Linguistics: EACL 2024, St. Julian’s, Malta, March 17-22, 2024, edited by Yvette Graham and Matthew Purver, Association for Computational Linguistics, 2024, pp. 478–499.","bibtex":"@inproceedings{Hu_Habernal_Shen_Wang_2024, title={Differentially Private Natural Language Models: Recent Advances and Future Directions}, booktitle={Findings of the Association for Computational Linguistics: EACL 2024, St. Julian’s, Malta, March 17-22, 2024}, publisher={Association for Computational Linguistics}, author={Hu, Lijie and Habernal, Ivan and Shen, Lei and Wang, Di}, editor={Graham, Yvette and Purver, Matthew}, year={2024}, pages={478–499} }","short":"L. Hu, I. Habernal, L. Shen, D. Wang, in: Y. Graham, M. Purver (Eds.), Findings of the Association for Computational Linguistics: EACL 2024, St. Julian’s, Malta, March 17-22, 2024, Association for Computational Linguistics, 2024, pp. 478–499.","ieee":"L. Hu, I. Habernal, L. Shen, and D. Wang, “Differentially Private Natural Language Models: Recent Advances and Future Directions,” in Findings of the Association for Computational Linguistics: EACL 2024, St. Julian’s, Malta, March 17-22, 2024, 2024, pp. 478–499."},"type":"conference","year":"2024","language":[{"iso":"eng"}]},{"date_updated":"2024-03-25T11:31:12Z","_id":"52842","page":"94–105","citation":{"ieee":"T. Igamberdiev, D. N. L. Vu, F. Kuennecke, Z. Yu, J. Holmer, and I. Habernal, “DP-NMT: Scalable Differentially Private Machine Translation,” in Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics: System Demonstrations, 2024, pp. 94–105.","short":"T. Igamberdiev, D.N.L. Vu, F. Kuennecke, Z. Yu, J. Holmer, I. Habernal, in: N. Aletras, O. De Clercq (Eds.), Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics: System Demonstrations, Association for Computational Linguistics, St. Julians, Malta, 2024, pp. 94–105.","bibtex":"@inproceedings{Igamberdiev_Vu_Kuennecke_Yu_Holmer_Habernal_2024, place={St. Julians, Malta}, title={DP-NMT: Scalable Differentially Private Machine Translation}, booktitle={Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics: System Demonstrations}, publisher={Association for Computational Linguistics}, author={Igamberdiev, Timour and Vu, Doan Nam Long and Kuennecke, Felix and Yu, Zhuo and Holmer, Jannik and Habernal, Ivan}, editor={Aletras, Nikolaos and De Clercq, Orphee}, year={2024}, pages={94–105} }","mla":"Igamberdiev, Timour, et al. “DP-NMT: Scalable Differentially Private Machine Translation.” Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics: System Demonstrations, edited by Nikolaos Aletras and Orphee De Clercq, Association for Computational Linguistics, 2024, pp. 94–105.","apa":"Igamberdiev, T., Vu, D. N. L., Kuennecke, F., Yu, Z., Holmer, J., & Habernal, I. (2024). DP-NMT: Scalable Differentially Private Machine Translation. In N. Aletras & O. De Clercq (Eds.), Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics: System Demonstrations (pp. 94–105). Association for Computational Linguistics.","ama":"Igamberdiev T, Vu DNL, Kuennecke F, Yu Z, Holmer J, Habernal I. DP-NMT: Scalable Differentially Private Machine Translation. In: Aletras N, De Clercq O, eds. Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics: System Demonstrations. Association for Computational Linguistics; 2024:94–105.","chicago":"Igamberdiev, Timour, Doan Nam Long Vu, Felix Kuennecke, Zhuo Yu, Jannik Holmer, and Ivan Habernal. “DP-NMT: Scalable Differentially Private Machine Translation.” In Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics: System Demonstrations, edited by Nikolaos Aletras and Orphee De Clercq, 94–105. St. Julians, Malta: Association for Computational Linguistics, 2024."},"type":"conference","year":"2024","language":[{"iso":"eng"}],"title":"DP-NMT: Scalable Differentially Private Machine Translation","user_id":"15504","abstract":[{"lang":"eng","text":"Neural machine translation (NMT) is a widely popular text generation task, yet there is a considerable research gap in the development of privacy-preserving NMT models, despite significant data privacy concerns for NMT systems. Differentially private stochastic gradient descent (DP-SGD) is a popular method for training machine learning models with concrete privacy guarantees; however, the implementation specifics of training a model with DP-SGD are not always clarified in existing models, with differing software libraries used and code bases not always being public, leading to reproducibility issues. To tackle this, we introduce DP-NMT, an open-source framework for carrying out research on privacy-preserving NMT with DP-SGD, bringing together numerous models, datasets, and evaluation metrics in one systematic software package. Our goal is to provide a platform for researchers to advance the development of privacy-preserving NMT systems, keeping the specific details of the DP-SGD algorithm transparent and intuitive to implement. We run a set of experiments on datasets from both general and privacy-related domains to demonstrate our framework in use. We make our framework publicly available and welcome feedback from the community."}],"place":"St. Julians, Malta","editor":[{"last_name":"Aletras","full_name":"Aletras, Nikolaos","first_name":"Nikolaos"},{"full_name":"De Clercq, Orphee","first_name":"Orphee","last_name":"De Clercq"}],"date_created":"2024-03-25T11:30:44Z","status":"public","department":[{"_id":"820"}],"publication":"Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics: System Demonstrations","author":[{"full_name":"Igamberdiev, Timour","first_name":"Timour","last_name":"Igamberdiev"},{"full_name":"Vu, Doan Nam Long","first_name":"Doan Nam Long","last_name":"Vu"},{"full_name":"Kuennecke, Felix","first_name":"Felix","last_name":"Kuennecke"},{"full_name":"Yu, Zhuo","first_name":"Zhuo","last_name":"Yu"},{"full_name":"Holmer, Jannik","first_name":"Jannik","last_name":"Holmer"},{"full_name":"Habernal, Ivan","first_name":"Ivan","id":"101881","last_name":"Habernal"}],"publisher":"Association for Computational Linguistics"},{"_id":"52958","intvolume":" 32","main_file_link":[{"url":"https://arxiv.org/abs/2303.03849","open_access":"1"}],"page":"1185-1197","citation":{"ieee":"C. Boeddeker, A. S. Subramanian, G. Wichern, R. Haeb-Umbach, and J. Le Roux, “TS-SEP: Joint Diarization and Separation Conditioned on Estimated Speaker Embeddings,” IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 32, pp. 1185–1197, 2024, doi: 10.1109/taslp.2024.3350887.","short":"C. Boeddeker, A.S. Subramanian, G. Wichern, R. Haeb-Umbach, J. Le Roux, IEEE/ACM Transactions on Audio, Speech, and Language Processing 32 (2024) 1185–1197.","bibtex":"@article{Boeddeker_Subramanian_Wichern_Haeb-Umbach_Le Roux_2024, title={TS-SEP: Joint Diarization and Separation Conditioned on Estimated Speaker Embeddings}, volume={32}, DOI={10.1109/taslp.2024.3350887}, journal={IEEE/ACM Transactions on Audio, Speech, and Language Processing}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Boeddeker, Christoph and Subramanian, Aswin Shanmugam and Wichern, Gordon and Haeb-Umbach, Reinhold and Le Roux, Jonathan}, year={2024}, pages={1185–1197} }","mla":"Boeddeker, Christoph, et al. “TS-SEP: Joint Diarization and Separation Conditioned on Estimated Speaker Embeddings.” IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 32, Institute of Electrical and Electronics Engineers (IEEE), 2024, pp. 1185–97, doi:10.1109/taslp.2024.3350887.","chicago":"Boeddeker, Christoph, Aswin Shanmugam Subramanian, Gordon Wichern, Reinhold Haeb-Umbach, and Jonathan Le Roux. “TS-SEP: Joint Diarization and Separation Conditioned on Estimated Speaker Embeddings.” IEEE/ACM Transactions on Audio, Speech, and Language Processing 32 (2024): 1185–97. https://doi.org/10.1109/taslp.2024.3350887.","apa":"Boeddeker, C., Subramanian, A. S., Wichern, G., Haeb-Umbach, R., & Le Roux, J. (2024). TS-SEP: Joint Diarization and Separation Conditioned on Estimated Speaker Embeddings. IEEE/ACM Transactions on Audio, Speech, and Language Processing, 32, 1185–1197. https://doi.org/10.1109/taslp.2024.3350887","ama":"Boeddeker C, Subramanian AS, Wichern G, Haeb-Umbach R, Le Roux J. TS-SEP: Joint Diarization and Separation Conditioned on Estimated Speaker Embeddings. IEEE/ACM Transactions on Audio, Speech, and Language Processing. 2024;32:1185-1197. doi:10.1109/taslp.2024.3350887"},"type":"journal_article","year":"2024","user_id":"40767","publication":"IEEE/ACM Transactions on Audio, Speech, and Language Processing","keyword":["Electrical and Electronic Engineering","Acoustics and Ultrasonics","Computer Science (miscellaneous)","Computational Mathematics"],"author":[{"full_name":"Boeddeker, Christoph","first_name":"Christoph","id":"40767","last_name":"Boeddeker"},{"first_name":"Aswin Shanmugam","full_name":"Subramanian, Aswin Shanmugam","last_name":"Subramanian"},{"last_name":"Wichern","first_name":"Gordon","full_name":"Wichern, Gordon"},{"id":"242","last_name":"Haeb-Umbach","full_name":"Haeb-Umbach, Reinhold","first_name":"Reinhold"},{"first_name":"Jonathan","full_name":"Le Roux, Jonathan","last_name":"Le Roux"}],"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","volume":32,"date_created":"2024-03-26T16:11:54Z","status":"public","date_updated":"2024-03-26T16:16:34Z","doi":"10.1109/taslp.2024.3350887","oa":"1","language":[{"iso":"eng"}],"title":"TS-SEP: Joint Diarization and Separation Conditioned on Estimated Speaker Embeddings","department":[{"_id":"54"}],"publication_identifier":{"issn":["2329-9290","2329-9304"]},"publication_status":"published"},{"status":"public","date_created":"2024-03-28T12:00:49Z","author":[{"last_name":"Razavi","full_name":"Razavi, Kamran","first_name":"Kamran"},{"last_name":"Ghafouri","full_name":"Ghafouri, Saeid","first_name":"Saeid"},{"first_name":"Max","full_name":"Mühlhäuser, Max","last_name":"Mühlhäuser"},{"last_name":"Jamshidi","first_name":"Pooyan","full_name":"Jamshidi, Pooyan"},{"first_name":"Lin","full_name":"Wang, Lin","last_name":"Wang","id":"102868"}],"publisher":"ACM","department":[{"_id":"34"},{"_id":"7"},{"_id":"75"}],"publication":"Proceedings of the 4th Workshop on Machine Learning and Systems (EuroMLSys), colocated with EuroSys 2024","user_id":"102868","title":"Sponge: Inference Serving with Dynamic SLOs Using In-Place Vertical Scaling","language":[{"iso":"eng"}],"citation":{"ieee":"K. Razavi, S. Ghafouri, M. Mühlhäuser, P. Jamshidi, and L. Wang, “Sponge: Inference Serving with Dynamic SLOs Using In-Place Vertical Scaling,” presented at the The 4th Workshop on Machine Learning and Systems (EuroMLSys), colocated with EuroSys 2024, Athens, Greece, 2024.","short":"K. Razavi, S. Ghafouri, M. Mühlhäuser, P. Jamshidi, L. Wang, in: Proceedings of the 4th Workshop on Machine Learning and Systems (EuroMLSys), Colocated with EuroSys 2024, ACM, 2024.","bibtex":"@inproceedings{Razavi_Ghafouri_Mühlhäuser_Jamshidi_Wang_2024, title={Sponge: Inference Serving with Dynamic SLOs Using In-Place Vertical Scaling}, booktitle={Proceedings of the 4th Workshop on Machine Learning and Systems (EuroMLSys), colocated with EuroSys 2024}, publisher={ACM}, author={Razavi, Kamran and Ghafouri, Saeid and Mühlhäuser, Max and Jamshidi, Pooyan and Wang, Lin}, year={2024} }","mla":"Razavi, Kamran, et al. “Sponge: Inference Serving with Dynamic SLOs Using In-Place Vertical Scaling.” Proceedings of the 4th Workshop on Machine Learning and Systems (EuroMLSys), Colocated with EuroSys 2024, ACM, 2024.","chicago":"Razavi, Kamran, Saeid Ghafouri, Max Mühlhäuser, Pooyan Jamshidi, and Lin Wang. “Sponge: Inference Serving with Dynamic SLOs Using In-Place Vertical Scaling.” In Proceedings of the 4th Workshop on Machine Learning and Systems (EuroMLSys), Colocated with EuroSys 2024. ACM, 2024.","apa":"Razavi, K., Ghafouri, S., Mühlhäuser, M., Jamshidi, P., & Wang, L. (2024). Sponge: Inference Serving with Dynamic SLOs Using In-Place Vertical Scaling. Proceedings of the 4th Workshop on Machine Learning and Systems (EuroMLSys), Colocated with EuroSys 2024. The 4th Workshop on Machine Learning and Systems (EuroMLSys), colocated with EuroSys 2024, Athens, Greece.","ama":"Razavi K, Ghafouri S, Mühlhäuser M, Jamshidi P, Wang L. Sponge: Inference Serving with Dynamic SLOs Using In-Place Vertical Scaling. In: Proceedings of the 4th Workshop on Machine Learning and Systems (EuroMLSys), Colocated with EuroSys 2024. ACM; 2024."},"type":"conference","year":"2024","_id":"53095","date_updated":"2024-03-28T12:02:23Z","conference":{"name":"The 4th Workshop on Machine Learning and Systems (EuroMLSys), colocated with EuroSys 2024","start_date":"2024-04-22","location":"Athens, Greece","end_date":"2024-04-22"}},{"doi":"10.3934/jcd.2024017","oa":"1","date_updated":"2024-03-28T16:07:34Z","language":[{"iso":"eng"}],"title":"A new Lagrangian approach to control affine systems with a quadratic Lagrange term","publication_identifier":{"issn":["2158-2491","2158-2505"]},"publication_status":"published","department":[{"_id":"636"}],"issue":"0","_id":"53101","page":"0-0","citation":{"ieee":"S. Leyendecker, S. Maslovskaya, S. Ober-Blöbaum, R. T. S. M. de Almagro, and F. O. Szemenyei, “A new Lagrangian approach to control affine systems with a quadratic Lagrange term,” Journal of Computational Dynamics, vol. 0, no. 0, pp. 0–0, 2024, doi: 10.3934/jcd.2024017.","short":"S. Leyendecker, S. Maslovskaya, S. Ober-Blöbaum, R.T.S.M. de Almagro, F.O. Szemenyei, Journal of Computational Dynamics 0 (2024) 0–0.","bibtex":"@article{Leyendecker_Maslovskaya_Ober-Blöbaum_Almagro_Szemenyei_2024, title={A new Lagrangian approach to control affine systems with a quadratic Lagrange term}, volume={0}, DOI={10.3934/jcd.2024017}, number={0}, journal={Journal of Computational Dynamics}, publisher={American Institute of Mathematical Sciences (AIMS)}, author={Leyendecker, Sigrid and Maslovskaya, Sofya and Ober-Blöbaum, Sina and Almagro, Rodrigo T. Sato Martín de and Szemenyei, Flóra Orsolya}, year={2024}, pages={0–0} }","mla":"Leyendecker, Sigrid, et al. “A New Lagrangian Approach to Control Affine Systems with a Quadratic Lagrange Term.” Journal of Computational Dynamics, vol. 0, no. 0, American Institute of Mathematical Sciences (AIMS), 2024, pp. 0–0, doi:10.3934/jcd.2024017.","chicago":"Leyendecker, Sigrid, Sofya Maslovskaya, Sina Ober-Blöbaum, Rodrigo T. Sato Martín de Almagro, and Flóra Orsolya Szemenyei. “A New Lagrangian Approach to Control Affine Systems with a Quadratic Lagrange Term.” Journal of Computational Dynamics 0, no. 0 (2024): 0–0. https://doi.org/10.3934/jcd.2024017.","ama":"Leyendecker S, Maslovskaya S, Ober-Blöbaum S, Almagro RTSM de, Szemenyei FO. A new Lagrangian approach to control affine systems with a quadratic Lagrange term. Journal of Computational Dynamics. 2024;0(0):0-0. doi:10.3934/jcd.2024017","apa":"Leyendecker, S., Maslovskaya, S., Ober-Blöbaum, S., Almagro, R. T. S. M. de, & Szemenyei, F. O. (2024). A new Lagrangian approach to control affine systems with a quadratic Lagrange term. Journal of Computational Dynamics, 0(0), 0–0. https://doi.org/10.3934/jcd.2024017"},"type":"journal_article","year":"2024","main_file_link":[{"open_access":"1","url":"https://www.aimsciences.org/article/doi/10.3934/jcd.2024017"}],"ddc":["510"],"user_id":"87909","abstract":[{"lang":"eng","text":"In this work, we consider optimal control problems for mechanical systems with fixed initial and free final state and a quadratic Lagrange term. Specifically, the dynamics is described by a second order ODE containing an affine control term. Classically, Pontryagin's maximum principle gives necessary optimality conditions for the optimal control problem. For smooth problems, alternatively, a variational approach based on an augmented objective can be followed. Here, we propose a new Lagrangian approach leading to equivalent necessary optimality conditions in the form of Euler-Lagrange equations. Thus, the differential geometric structure (similar to classical Lagrangian dynamics) can be exploited in the framework of optimal control problems. In particular, the formulation enables the symplectic discretisation of the optimal control problem via variational integrators in a straightforward way."}],"article_type":"original","volume":"0","date_created":"2024-03-28T15:58:02Z","status":"public","has_accepted_license":"1","publication":"Journal of Computational Dynamics","keyword":["Optimal control problem","Lagrangian system","Hamiltonian system","Variations","Pontryagin's maximum principle."],"publisher":"American Institute of Mathematical Sciences (AIMS)","author":[{"first_name":"Sigrid","full_name":"Leyendecker, Sigrid","last_name":"Leyendecker"},{"full_name":"Maslovskaya, Sofya","first_name":"Sofya","id":"87909","last_name":"Maslovskaya"},{"full_name":"Ober-Blöbaum, Sina","first_name":"Sina","id":"16494","last_name":"Ober-Blöbaum"},{"last_name":"Almagro","full_name":"Almagro, Rodrigo T. Sato Martín de","first_name":"Rodrigo T. Sato Martín de"},{"last_name":"Szemenyei","full_name":"Szemenyei, Flóra Orsolya","first_name":"Flóra Orsolya"}]},{"department":[{"_id":"76"}],"author":[{"first_name":"Andreas Peter","full_name":"Dann, Andreas Peter","last_name":"Dann","id":"26886"},{"orcid":"0000-0001-9848-2017","full_name":"Hermann, Ben","first_name":"Ben","id":"66173","last_name":"Hermann"},{"id":"59256","last_name":"Bodden","full_name":"Bodden, Eric","orcid":"0000-0003-3470-3647","first_name":"Eric"}],"date_created":"2023-01-02T09:26:50Z","status":"public","user_id":"15249","title":"UpCy: Safely Updating Outdated Dependencies","series_title":"International Conference on Software Engineering (ICSE)","language":[{"iso":"eng"}],"type":"conference","year":"2023","citation":{"chicago":"Dann, Andreas Peter, Ben Hermann, and Eric Bodden. “UpCy: Safely Updating Outdated Dependencies.” International Conference on Software Engineering (ICSE), 2023.","apa":"Dann, A. P., Hermann, B., & Bodden, E. (2023). UpCy: Safely Updating Outdated Dependencies.","ama":"Dann AP, Hermann B, Bodden E. UpCy: Safely Updating Outdated Dependencies. Published online 2023.","bibtex":"@article{Dann_Hermann_Bodden_2023, series={International Conference on Software Engineering (ICSE)}, title={UpCy: Safely Updating Outdated Dependencies}, author={Dann, Andreas Peter and Hermann, Ben and Bodden, Eric}, year={2023}, collection={International Conference on Software Engineering (ICSE)} }","mla":"Dann, Andreas Peter, et al. UpCy: Safely Updating Outdated Dependencies. 2023.","short":"A.P. Dann, B. Hermann, E. Bodden, (2023).","ieee":"A. P. Dann, B. Hermann, and E. Bodden, “UpCy: Safely Updating Outdated Dependencies.” 2023."},"_id":"35083","date_updated":"2023-01-02T09:28:32Z"},{"title":"On the Universal Transformation of Data-Driven Models to Control Systems","department":[{"_id":"101"},{"_id":"655"}],"publication_status":"published","project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"date_updated":"2023-01-07T12:01:58Z","doi":"10.1016/j.automatica.2022.110840","oa":"1","language":[{"iso":"eng"}],"abstract":[{"text":"As in almost every other branch of science, the major advances in data\r\nscience and machine learning have also resulted in significant improvements\r\nregarding the modeling and simulation of nonlinear dynamical systems. It is\r\nnowadays possible to make accurate medium to long-term predictions of highly\r\ncomplex systems such as the weather, the dynamics within a nuclear fusion\r\nreactor, of disease models or the stock market in a very efficient manner. In\r\nmany cases, predictive methods are advertised to ultimately be useful for\r\ncontrol, as the control of high-dimensional nonlinear systems is an engineering\r\ngrand challenge with huge potential in areas such as clean and efficient energy\r\nproduction, or the development of advanced medical devices. However, the\r\nquestion of how to use a predictive model for control is often left unanswered\r\ndue to the associated challenges, namely a significantly higher system\r\ncomplexity, the requirement of much larger data sets and an increased and often\r\nproblem-specific modeling effort. To solve these issues, we present a universal\r\nframework (which we call QuaSiModO:\r\nQuantization-Simulation-Modeling-Optimization) to transform arbitrary\r\npredictive models into control systems and use them for feedback control. The\r\nadvantages of our approach are a linear increase in data requirements with\r\nrespect to the control dimension, performance guarantees that rely exclusively\r\non the accuracy of the predictive model, and only little prior knowledge\r\nrequirements in control theory to solve complex control problems. In particular\r\nthe latter point is of key importance to enable a large number of researchers\r\nand practitioners to exploit the ever increasing capabilities of predictive\r\nmodels for control in a straight-forward and systematic fashion.","lang":"eng"}],"user_id":"47427","publication":"Automatica","publisher":"Elsevier","author":[{"id":"47427","last_name":"Peitz","orcid":"0000-0002-3389-793X","full_name":"Peitz, Sebastian","first_name":"Sebastian"},{"last_name":"Bieker","id":"32829","first_name":"Katharina","full_name":"Bieker, Katharina"}],"volume":149,"date_created":"2021-02-10T07:04:15Z","status":"public","intvolume":" 149","_id":"21199","article_number":"110840","main_file_link":[{"url":"https://www.sciencedirect.com/science/article/pii/S0005109822007075/pdfft?isDTMRedir=true&download=true","open_access":"1"}],"citation":{"apa":"Peitz, S., & Bieker, K. (2023). On the Universal Transformation of Data-Driven Models to Control Systems. Automatica, 149, Article 110840. https://doi.org/10.1016/j.automatica.2022.110840","ama":"Peitz S, Bieker K. On the Universal Transformation of Data-Driven Models to Control Systems. Automatica. 2023;149. doi:10.1016/j.automatica.2022.110840","chicago":"Peitz, Sebastian, and Katharina Bieker. “On the Universal Transformation of Data-Driven Models to Control Systems.” Automatica 149 (2023). https://doi.org/10.1016/j.automatica.2022.110840.","mla":"Peitz, Sebastian, and Katharina Bieker. “On the Universal Transformation of Data-Driven Models to Control Systems.” Automatica, vol. 149, 110840, Elsevier, 2023, doi:10.1016/j.automatica.2022.110840.","bibtex":"@article{Peitz_Bieker_2023, title={On the Universal Transformation of Data-Driven Models to Control Systems}, volume={149}, DOI={10.1016/j.automatica.2022.110840}, number={110840}, journal={Automatica}, publisher={Elsevier}, author={Peitz, Sebastian and Bieker, Katharina}, year={2023} }","short":"S. Peitz, K. Bieker, Automatica 149 (2023).","ieee":"S. Peitz and K. Bieker, “On the Universal Transformation of Data-Driven Models to Control Systems,” Automatica, vol. 149, Art. no. 110840, 2023, doi: 10.1016/j.automatica.2022.110840."},"year":"2023","type":"journal_article"},{"abstract":[{"lang":"eng","text":"This paper presents a model of an energy system for a private household extended by a lifetime prognosis. The energy system was designed for fully covering the year-round energy demand of a private household on the basis of electricity generated by a photovoltaic (PV) system, using a hybrid energy storage system consisting of a hydrogen unit and a lithium-ion battery. Hydrogen is produced with a Proton Exchange Membrane (PEM) electrolyser by PV surplus during the summer months and then stored in a hydrogen tank. Mainly during winter, in terms of lack of PV energy, the hydrogen is converted back into electricity and heat by a fuel cell. The model was created in Matlab/Simulink and is based on real input data. Heat demand was also taken into account and is covered by a heat pump. The simulation period is a full year to account for the seasonality of energy production and demand. Due to high initial costs, the longevity of such an energy system is of vital interest. Therefore, this model was extended by a lifetime prediction in order to optimize the dimensioning with the aim of lifetime extension of a hydrogen-based energy system. Lifetime influencing factors were identified on the basis of a literature review and were integrated in the model. An extensive parameter study was performed to evaluate different dimensionings regarding the energy balance and the lifetime of the three components, electrolyser, fuel cell and lithium-ion battery. The results demonstrate the benefits of a holistic modelling approach and enable a design optimization regarding the use of resources, lifetime and self-sufficiency of the system"}],"user_id":"16148","quality_controlled":"1","author":[{"full_name":"Möller, Marius Claus","first_name":"Marius Claus","id":"72391","last_name":"Möller"},{"full_name":"Krauter, Stefan","orcid":"0000-0002-3594-260X","first_name":"Stefan","id":"28836","last_name":"Krauter"}],"publisher":"MDPI AG","publication":"Solar","status":"public","date_created":"2023-01-09T06:35:00Z","volume":3,"intvolume":" 3","_id":"35428","issue":"1","citation":{"ieee":"M. C. Möller and S. Krauter, “Dimensioning and Lifetime Prediction Model for a Hybrid, Hydrogen-Based Household PV Energy System Using Matlab/Simulink,” Solar, vol. 3, no. 1, pp. 25–48, 2023, doi: 10.3390/solar3010003.","bibtex":"@article{Möller_Krauter_2023, title={Dimensioning and Lifetime Prediction Model for a Hybrid, Hydrogen-Based Household PV Energy System Using Matlab/Simulink}, volume={3}, DOI={10.3390/solar3010003}, number={1}, journal={Solar}, publisher={MDPI AG}, author={Möller, Marius Claus and Krauter, Stefan}, year={2023}, pages={25–48} }","mla":"Möller, Marius Claus, and Stefan Krauter. “Dimensioning and Lifetime Prediction Model for a Hybrid, Hydrogen-Based Household PV Energy System Using Matlab/Simulink.” Solar, vol. 3, no. 1, MDPI AG, 2023, pp. 25–48, doi:10.3390/solar3010003.","ama":"Möller MC, Krauter S. Dimensioning and Lifetime Prediction Model for a Hybrid, Hydrogen-Based Household PV Energy System Using Matlab/Simulink. Solar. 2023;3(1):25-48. doi:10.3390/solar3010003","apa":"Möller, M. C., & Krauter, S. (2023). Dimensioning and Lifetime Prediction Model for a Hybrid, Hydrogen-Based Household PV Energy System Using Matlab/Simulink. Solar, 3(1), 25–48. https://doi.org/10.3390/solar3010003","short":"M.C. Möller, S. Krauter, Solar 3 (2023) 25–48.","chicago":"Möller, Marius Claus, and Stefan Krauter. “Dimensioning and Lifetime Prediction Model for a Hybrid, Hydrogen-Based Household PV Energy System Using Matlab/Simulink.” Solar 3, no. 1 (2023): 25–48. https://doi.org/10.3390/solar3010003."},"type":"journal_article","year":"2023","page":"25-48","title":"Dimensioning and Lifetime Prediction Model for a Hybrid, Hydrogen-Based Household PV Energy System Using Matlab/Simulink","department":[{"_id":"53"}],"publication_identifier":{"issn":["2673-9941"]},"publication_status":"published","date_updated":"2023-01-09T06:36:10Z","doi":"10.3390/solar3010003","language":[{"iso":"eng"}]},{"language":[{"iso":"eng"}],"year":"2023","type":"book_chapter","citation":{"ieee":"L. Ostsieker and R. 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Liebendörfer, C. Büdenbender-Kuklinski, E. Lankeit, M. Schürmann, R. Biehler, and N. Schaper, “Framing Goals of Mathematics Support Measures,” in Practice-Oriented Research in Tertiary Mathematics Education, Cham: Springer International Publishing, 2023, pp. 91–117.","short":"M. Liebendörfer, C. Büdenbender-Kuklinski, E. Lankeit, M. Schürmann, R. Biehler, N. 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Schrader, R. Bernijazov, M. Foullois, M. Hillebrand, L. Kaiser, and R. Dumitrescu, “Examples of AI-based Assistance Systems in context of Model-Based Systems Engineering,” 2023, doi: 10.1109/isse54508.2022.10005487.","short":"E. Schrader, R. Bernijazov, M. Foullois, M. Hillebrand, L. Kaiser, R. Dumitrescu, in: 2022 IEEE International Symposium on Systems Engineering (ISSE), IEEE, 2023.","bibtex":"@inproceedings{Schrader_Bernijazov_Foullois_Hillebrand_Kaiser_Dumitrescu_2023, title={Examples of AI-based Assistance Systems in context of Model-Based Systems Engineering}, DOI={10.1109/isse54508.2022.10005487}, booktitle={2022 IEEE International Symposium on Systems Engineering (ISSE)}, publisher={IEEE}, author={Schrader, Elena and Bernijazov, Ruslan and Foullois, Marc and Hillebrand, Michael and Kaiser, Lydia and Dumitrescu, Roman}, year={2023} }","mla":"Schrader, Elena, et al. “Examples of AI-Based Assistance Systems in Context of Model-Based Systems Engineering.” 2022 IEEE International Symposium on Systems Engineering (ISSE), IEEE, 2023, doi:10.1109/isse54508.2022.10005487.","apa":"Schrader, E., Bernijazov, R., Foullois, M., Hillebrand, M., Kaiser, L., & Dumitrescu, R. (2023). 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Engels, in: Proceedings of the 7th International Conference on Human Computer Interaction Theory and Applications (HUCAPP’23) , 2023."},"year":"2023","type":"conference","date_updated":"2023-02-14T10:49:40Z","_id":"34401"},{"conference":{"end_date":"2022-12-15","location":"Brussels","name":"26th International Conference on Principles of Distributed Systems (OPODIS)","start_date":"2022-12-13"},"_id":"34008","intvolume":" 253","page":"15:1–15:25","year":"2023","citation":{"ieee":"J. Castenow, J. Harbig, D. Jung, P. Kling, T. Knollmann, and F. Meyer auf der Heide, “A Unifying Approach to Efficient (Near-)Gathering of Disoriented Robots with Limited Visibility ,” in Proceedings of the 26th International Conference on Principles of Distributed Systems (OPODIS) , Brussels, 2023, vol. 253, p. 15:1–15:25, doi: 10.4230/LIPIcs.OPODIS.2022.15.","short":"J. Castenow, J. Harbig, D. Jung, P. Kling, T. Knollmann, F. Meyer auf der Heide, in: E. Hillel, R. Palmieri, E. 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Leibniz International Proceedings in Informatics (LIPIcs). Brussels: Schloss Dagstuhl – Leibniz Zentrum für Informatik, 2023. https://doi.org/10.4230/LIPIcs.OPODIS.2022.15.","apa":"Castenow, J., Harbig, J., Jung, D., Kling, P., Knollmann, T., & Meyer auf der Heide, F. (2023). A Unifying Approach to Efficient (Near-)Gathering of Disoriented Robots with Limited Visibility . In E. Hillel, R. Palmieri, & E. Riviére (Eds.), Proceedings of the 26th International Conference on Principles of Distributed Systems (OPODIS) (Vol. 253, p. 15:1–15:25). Schloss Dagstuhl – Leibniz Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.OPODIS.2022.15","ama":"Castenow J, Harbig J, Jung D, Kling P, Knollmann T, Meyer auf der Heide F. A Unifying Approach to Efficient (Near-)Gathering of Disoriented Robots with Limited Visibility . In: Hillel E, Palmieri R, Riviére E, eds. Proceedings of the 26th International Conference on Principles of Distributed Systems (OPODIS) . Vol 253. Leibniz International Proceedings in Informatics (LIPIcs). Schloss Dagstuhl – Leibniz Zentrum für Informatik; 2023:15:1–15:25. doi:10.4230/LIPIcs.OPODIS.2022.15"},"type":"conference","user_id":"38705","date_created":"2022-11-04T09:41:30Z","status":"public","volume":253,"publication":"Proceedings of the 26th International Conference on Principles of Distributed Systems (OPODIS) ","author":[{"first_name":"Jannik","full_name":"Castenow, Jannik","last_name":"Castenow","id":"38705"},{"last_name":"Harbig","id":"47213","first_name":"Jonas","full_name":"Harbig, Jonas"},{"full_name":"Jung, Daniel","first_name":"Daniel","id":"37827","last_name":"Jung"},{"first_name":"Peter","full_name":"Kling, Peter","last_name":"Kling"},{"last_name":"Knollmann","id":"39241","first_name":"Till","orcid":"0000-0003-2014-4696","full_name":"Knollmann, Till"},{"first_name":"Friedhelm","full_name":"Meyer auf der Heide, Friedhelm","last_name":"Meyer auf der Heide","id":"15523"}],"publisher":"Schloss Dagstuhl – Leibniz Zentrum für Informatik","doi":"10.4230/LIPIcs.OPODIS.2022.15","date_updated":"2023-02-15T14:53:12Z","language":[{"iso":"eng"}],"series_title":"Leibniz International Proceedings in Informatics (LIPIcs)","title":"A Unifying Approach to Efficient (Near-)Gathering of Disoriented Robots with Limited Visibility ","external_id":{"arxiv":["2206.07567 "]},"place":"Brussels","project":[{"_id":"106","name":"Algorithmen für Schwarmrobotik: Verteiltes Rechnen trifft Dynamische Systeme"}],"publication_status":"published","publication_identifier":{"isbn":["978-3-95977-265-5"],"issn":["1868-8969"]},"editor":[{"full_name":"Hillel, Eshcar","first_name":"Eshcar","last_name":"Hillel"},{"last_name":"Palmieri","first_name":"Roberto","full_name":"Palmieri, Roberto"},{"full_name":"Riviére, Etienne","first_name":"Etienne","last_name":"Riviére"}],"department":[{"_id":"63"}]},{"user_id":"47427","title":"Learning a model is paramount for sample efficiency in reinforcement learning control of PDEs","abstract":[{"text":"The goal of this paper is to make a strong point for the usage of dynamical models when using reinforcement learning (RL) for feedback control of dynamical systems governed by partial differential equations (PDEs). To breach the gap between the immense promises we see in RL and the applicability in complex engineering systems, the main challenges are the massive requirements in terms of the training data, as well as the lack of performance guarantees. We present a solution for the first issue using a data-driven surrogate model in the form of a convolutional LSTM with actuation. We demonstrate that learning an actuated model in parallel to training the RL agent significantly reduces the total amount of required data sampled from the real system. Furthermore, we show that iteratively updating the model is of major importance to avoid biases in the RL training. Detailed ablation studies reveal the most important ingredients of the modeling process. We use the chaotic Kuramoto-Sivashinsky equation do demonstarte our findings.","lang":"eng"}],"external_id":{"arxiv":["2302.07160"]},"date_created":"2023-02-15T20:57:20Z","status":"public","publication":"arXiv:2302.07160","department":[{"_id":"655"}],"author":[{"last_name":"Werner","full_name":"Werner, Stefan","first_name":"Stefan"},{"id":"47427","last_name":"Peitz","full_name":"Peitz, Sebastian","orcid":"0000-0002-3389-793X","first_name":"Sebastian"}],"oa":"1","_id":"42160","date_updated":"2023-02-15T20:58:33Z","language":[{"iso":"eng"}],"year":"2023","type":"preprint","citation":{"mla":"Werner, Stefan, and Sebastian Peitz. “Learning a Model Is Paramount for Sample Efficiency in Reinforcement Learning Control of PDEs.” ArXiv:2302.07160, 2023.","bibtex":"@article{Werner_Peitz_2023, title={Learning a model is paramount for sample efficiency in reinforcement learning control of PDEs}, journal={arXiv:2302.07160}, author={Werner, Stefan and Peitz, Sebastian}, year={2023} }","chicago":"Werner, Stefan, and Sebastian Peitz. “Learning a Model Is Paramount for Sample Efficiency in Reinforcement Learning Control of PDEs.” ArXiv:2302.07160, 2023.","apa":"Werner, S., & Peitz, S. (2023). Learning a model is paramount for sample efficiency in reinforcement learning control of PDEs. In arXiv:2302.07160.","ama":"Werner S, Peitz S. Learning a model is paramount for sample efficiency in reinforcement learning control of PDEs. arXiv:230207160. Published online 2023.","ieee":"S. Werner and S. Peitz, “Learning a model is paramount for sample efficiency in reinforcement learning control of PDEs,” arXiv:2302.07160. 2023.","short":"S. Werner, S. Peitz, ArXiv:2302.07160 (2023)."},"main_file_link":[{"url":"https://arxiv.org/pdf/2302.07160","open_access":"1"}]},{"intvolume":" 75","_id":"34814","issue":"1","page":"170-201","citation":{"mla":"Hanusch, Maximilian. “A $C^k$-Seeley-Extension-Theorem for Bastiani’s Differential Calculus.” Canadian Journal of Mathematics, vol. 75, no. 1, Canadian Mathematical Society, 2023, pp. 170–201, doi:10.4153/s0008414x21000596.","bibtex":"@article{Hanusch_2023, title={A $C^k$-seeley-extension-theorem for Bastiani’s differential calculus}, volume={75}, DOI={10.4153/s0008414x21000596}, number={1}, journal={Canadian Journal of Mathematics}, publisher={Canadian Mathematical Society}, author={Hanusch, Maximilian}, year={2023}, pages={170–201} }","ama":"Hanusch M. A $C^k$-seeley-extension-theorem for Bastiani’s differential calculus. Canadian Journal of Mathematics. 2023;75(1):170-201. doi:10.4153/s0008414x21000596","apa":"Hanusch, M. (2023). A $C^k$-seeley-extension-theorem for Bastiani’s differential calculus. Canadian Journal of Mathematics, 75(1), 170–201. https://doi.org/10.4153/s0008414x21000596","chicago":"Hanusch, Maximilian. “A $C^k$-Seeley-Extension-Theorem for Bastiani’s Differential Calculus.” Canadian Journal of Mathematics 75, no. 1 (2023): 170–201. https://doi.org/10.4153/s0008414x21000596.","ieee":"M. Hanusch, “A $C^k$-seeley-extension-theorem for Bastiani’s differential calculus,” Canadian Journal of Mathematics, vol. 75, no. 1, pp. 170–201, 2023, doi: 10.4153/s0008414x21000596.","short":"M. Hanusch, Canadian Journal of Mathematics 75 (2023) 170–201."},"type":"journal_article","year":"2023","article_type":"original","user_id":"30905","keyword":["extension of differentiable maps"],"publication":"Canadian Journal of Mathematics","author":[{"last_name":"Hanusch","id":"30905","first_name":"Maximilian","full_name":"Hanusch, Maximilian"}],"publisher":"Canadian Mathematical Society","volume":75,"date_created":"2022-12-22T09:16:48Z","status":"public","date_updated":"2023-02-22T11:38:32Z","doi":"10.4153/s0008414x21000596","language":[{"iso":"eng"}],"title":"A $C^k$-seeley-extension-theorem for Bastiani’s differential calculus","department":[{"_id":"93"}],"publication_identifier":{"issn":["0008-414X","1496-4279"]},"publication_status":"published","project":[{"name":"RegLie: Regularität von Lie-Gruppen und Lie's Dritter Satz (RegLie)","_id":"161"}]},{"language":[{"iso":"eng"}],"date_updated":"2023-02-28T11:06:55Z","doi":"10.4230/LIPIcs.ITCS.2023.53","department":[{"_id":"623"},{"_id":"7"}],"publication_status":"published","external_id":{"arxiv":["2206.05243"]},"title":"Quantum space, ground space traversal, and how to embed multi-prover interactive proofs into unentanglement","page":"53:1-53:23","year":"2023","type":"conference","citation":{"chicago":"Gharibian, Sevag, and Dorian Rudolph. “Quantum Space, Ground Space Traversal, and How to Embed Multi-Prover Interactive Proofs into Unentanglement.” In 14th Innovations in Theoretical Computer Science (ITCS), 251:53:1-53:23, 2023. https://doi.org/10.4230/LIPIcs.ITCS.2023.53.","ama":"Gharibian S, Rudolph D. Quantum space, ground space traversal, and how to embed multi-prover interactive proofs into unentanglement. In: 14th Innovations in Theoretical Computer Science (ITCS). Vol 251. ; 2023:53:1-53:23. doi:10.4230/LIPIcs.ITCS.2023.53","apa":"Gharibian, S., & Rudolph, D. (2023). Quantum space, ground space traversal, and how to embed multi-prover interactive proofs into unentanglement. 14th Innovations in Theoretical Computer Science (ITCS), 251, 53:1-53:23. https://doi.org/10.4230/LIPIcs.ITCS.2023.53","mla":"Gharibian, Sevag, and Dorian Rudolph. “Quantum Space, Ground Space Traversal, and How to Embed Multi-Prover Interactive Proofs into Unentanglement.” 14th Innovations in Theoretical Computer Science (ITCS), vol. 251, 2023, p. 53:1-53:23, doi:10.4230/LIPIcs.ITCS.2023.53.","bibtex":"@inproceedings{Gharibian_Rudolph_2023, title={Quantum space, ground space traversal, and how to embed multi-prover interactive proofs into unentanglement}, volume={251}, DOI={10.4230/LIPIcs.ITCS.2023.53}, booktitle={14th Innovations in Theoretical Computer Science (ITCS)}, author={Gharibian, Sevag and Rudolph, Dorian}, year={2023}, pages={53:1-53:23} }","short":"S. Gharibian, D. Rudolph, in: 14th Innovations in Theoretical Computer Science (ITCS), 2023, p. 53:1-53:23.","ieee":"S. Gharibian and D. Rudolph, “Quantum space, ground space traversal, and how to embed multi-prover interactive proofs into unentanglement,” in 14th Innovations in Theoretical Computer Science (ITCS), 2023, vol. 251, p. 53:1-53:23, doi: 10.4230/LIPIcs.ITCS.2023.53."},"_id":"31872","intvolume":" 251","publication":"14th Innovations in Theoretical Computer Science (ITCS)","author":[{"full_name":"Gharibian, Sevag","orcid":"0000-0002-9992-3379","first_name":"Sevag","id":"71541","last_name":"Gharibian"},{"last_name":"Rudolph","full_name":"Rudolph, Dorian","first_name":"Dorian"}],"date_created":"2022-06-13T14:40:46Z","status":"public","volume":251,"abstract":[{"text":"Savitch's theorem states that NPSPACE computations can be simulated in\r\nPSPACE. We initiate the study of a quantum analogue of NPSPACE, denoted\r\nStreaming-QCMASPACE (SQCMASPACE), where an exponentially long classical proof\r\nis streamed to a poly-space quantum verifier. Besides two main results, we also\r\nshow that a quantum analogue of Savitch's theorem is unlikely to hold, as\r\nSQCMASPACE=NEXP. For completeness, we introduce Streaming-QMASPACE (SQMASPACE)\r\nwith an exponentially long streamed quantum proof, and show SQMASPACE=QMA_EXP\r\n(quantum analogue of NEXP). Our first main result shows, in contrast to the\r\nclassical setting, the solution space of a quantum constraint satisfaction\r\nproblem (i.e. a local Hamiltonian) is always connected when exponentially long\r\nproofs are permitted. For this, we show how to simulate any Lipschitz\r\ncontinuous path on the unit hypersphere via a sequence of local unitary gates,\r\nat the expense of blowing up the circuit size. This shows quantum\r\nerror-correcting codes can be unable to detect one codeword erroneously\r\nevolving to another if the evolution happens sufficiently slowly, and answers\r\nan open question of [Gharibian, Sikora, ICALP 2015] regarding the Ground State\r\nConnectivity problem. Our second main result is that any SQCMASPACE computation\r\ncan be embedded into \"unentanglement\", i.e. into a quantum constraint\r\nsatisfaction problem with unentangled provers. Formally, we show how to embed\r\nSQCMASPACE into the Sparse Separable Hamiltonian problem of [Chailloux,\r\nSattath, CCC 2012] (QMA(2)-complete for 1/poly promise gap), at the expense of\r\nscaling the promise gap with the streamed proof size. As a corollary, we obtain\r\nthe first systematic construction for obtaining QMA(2)-type upper bounds on\r\narbitrary multi-prover interactive proof systems, where the QMA(2) promise gap\r\nscales exponentially with the number of bits of communication in the\r\ninteractive proof.","lang":"eng"}],"user_id":"71541"},{"_id":"42804","date_updated":"2023-03-07T08:58:44Z","conference":{"end_date":"2023.05.26","start_date":"2023.05.24","name":"INTERNATIONAL RADAR SYMPOSIUM (IRS 2023)","location":"Fraunhofer-Forum Berlin, Germany"},"language":[{"iso":"eng"}],"citation":{"mla":"Kruse, Stephan, et al. Nonlinear S-Parameter Behavioral Model of a Photonic Radar Transceiver Chipset for Automotive Applications. 2023.","bibtex":"@inproceedings{Kruse_Schwabe_Kneuper_Meinecke_Kurz_Scheytt_2023, title={Nonlinear S-Parameter Behavioral Model of a Photonic Radar Transceiver Chipset for Automotive Applications}, author={Kruse, Stephan and Schwabe, Tobias and Kneuper, Pascal and Meinecke, Marc-Michael and Kurz, Heiko G. and Scheytt, J. Christoph}, year={2023} }","ama":"Kruse S, Schwabe T, Kneuper P, Meinecke M-M, Kurz HG, Scheytt JC. Nonlinear S-Parameter Behavioral Model of a Photonic Radar Transceiver Chipset for Automotive Applications. In: ; 2023.","apa":"Kruse, S., Schwabe, T., Kneuper, P., Meinecke, M.-M., Kurz, H. G., & Scheytt, J. C. (2023). Nonlinear S-Parameter Behavioral Model of a Photonic Radar Transceiver Chipset for Automotive Applications. INTERNATIONAL RADAR SYMPOSIUM (IRS 2023), Fraunhofer-Forum Berlin, Germany.","chicago":"Kruse, Stephan, Tobias Schwabe, Pascal Kneuper, Marc-Michael Meinecke, Heiko G. Kurz, and J. Christoph Scheytt. “Nonlinear S-Parameter Behavioral Model of a Photonic Radar Transceiver Chipset for Automotive Applications,” 2023.","ieee":"S. Kruse, T. Schwabe, P. Kneuper, M.-M. Meinecke, H. G. Kurz, and J. C. Scheytt, “Nonlinear S-Parameter Behavioral Model of a Photonic Radar Transceiver Chipset for Automotive Applications,” presented at the INTERNATIONAL RADAR SYMPOSIUM (IRS 2023), Fraunhofer-Forum Berlin, Germany, 2023.","short":"S. Kruse, T. Schwabe, P. Kneuper, M.-M. Meinecke, H.G. Kurz, J.C. Scheytt, in: 2023."},"year":"2023","type":"conference","related_material":{"link":[{"url":"https://www.dgon-irs.org/home/","relation":"confirmation"}]},"user_id":"15931","title":"Nonlinear S-Parameter Behavioral Model of a Photonic Radar Transceiver Chipset for Automotive Applications","abstract":[{"lang":"eng","text":"This paper presents a method to model monolithically integrated photonic radar transceiver (TRX) with optical local oscillator (LO) distribution in silicon germanium (SiGe) electronic photonic integrated circuits (EPICs). The model proposed approximates the behavior of the nonlinear scattering (S)-parameters and noise figure of each building block of the TRX chipset by Laplace polynomials and hyperbolic tangent functions. The modular approach of the model allows to optimize hardware components with respect to the entire TRX system, and fault identification with reduced computational effort.\r\nThe proposed method is validated using the first monolithically integrated photonic radar transceiver chipset and shows excellent agreement with the post layout simulation results and, including the photodiode (PD) bandwidth (BW) degradation, also with the measurements.\r\n"}],"status":"public","date_created":"2023-03-07T08:55:33Z","author":[{"first_name":"Stephan","full_name":"Kruse, Stephan","last_name":"Kruse","id":"38254"},{"full_name":"Schwabe, Tobias","first_name":"Tobias","id":"39217","last_name":"Schwabe"},{"first_name":"Pascal","full_name":"Kneuper, Pascal","last_name":"Kneuper","id":"47367"},{"full_name":"Meinecke, Marc-Michael","first_name":"Marc-Michael","last_name":"Meinecke"},{"last_name":"Kurz","first_name":"Heiko G.","full_name":"Kurz, Heiko G."},{"full_name":"Scheytt, J. Christoph","orcid":"https://orcid.org/0000-0002-5950-6618","first_name":"J. Christoph","id":"37144","last_name":"Scheytt"}],"department":[{"_id":"58"},{"_id":"230"}]},{"abstract":[{"lang":"eng","text":"Regularization is used in many different areas of optimization when solutions\r\nare sought which not only minimize a given function, but also possess a certain\r\ndegree of regularity. Popular applications are image denoising, sparse\r\nregression and machine learning. Since the choice of the regularization\r\nparameter is crucial but often difficult, path-following methods are used to\r\napproximate the entire regularization path, i.e., the set of all possible\r\nsolutions for all regularization parameters. Due to their nature, the\r\ndevelopment of these methods requires structural results about the\r\nregularization path. The goal of this article is to derive these results for\r\nthe case of a smooth objective function which is penalized by a piecewise\r\ndifferentiable regularization term. We do this by treating regularization as a\r\nmultiobjective optimization problem. Our results suggest that even in this\r\ngeneral case, the regularization path is piecewise smooth. Moreover, our theory\r\nallows for a classification of the nonsmooth features that occur in between\r\nsmooth parts. This is demonstrated in two applications, namely support-vector\r\nmachines and exact penalty methods."}],"user_id":"47427","author":[{"full_name":"Gebken, Bennet","first_name":"Bennet","id":"32643","last_name":"Gebken"},{"last_name":"Bieker","id":"32829","first_name":"Katharina","full_name":"Bieker, Katharina"},{"first_name":"Sebastian","orcid":"0000-0002-3389-793X","full_name":"Peitz, Sebastian","last_name":"Peitz","id":"47427"}],"publication":"Journal of Global Optimization","status":"public","date_created":"2021-11-15T09:24:59Z","volume":85,"intvolume":" 85","_id":"27426","issue":"3","main_file_link":[{"url":"https://link.springer.com/content/pdf/10.1007/s10898-022-01223-2.pdf","open_access":"1"}],"type":"journal_article","citation":{"mla":"Gebken, Bennet, et al. “On the Structure of Regularization Paths for Piecewise Differentiable Regularization Terms.” Journal of Global Optimization, vol. 85, no. 3, 2023, pp. 709–41, doi:10.1007/s10898-022-01223-2.","bibtex":"@article{Gebken_Bieker_Peitz_2023, title={On the structure of regularization paths for piecewise differentiable regularization terms}, volume={85}, DOI={10.1007/s10898-022-01223-2}, number={3}, journal={Journal of Global Optimization}, author={Gebken, Bennet and Bieker, Katharina and Peitz, Sebastian}, year={2023}, pages={709–741} }","chicago":"Gebken, Bennet, Katharina Bieker, and Sebastian Peitz. “On the Structure of Regularization Paths for Piecewise Differentiable Regularization Terms.” Journal of Global Optimization 85, no. 3 (2023): 709–41. https://doi.org/10.1007/s10898-022-01223-2.","ama":"Gebken B, Bieker K, Peitz S. On the structure of regularization paths for piecewise differentiable regularization terms. Journal of Global Optimization. 2023;85(3):709-741. doi:10.1007/s10898-022-01223-2","apa":"Gebken, B., Bieker, K., & Peitz, S. (2023). On the structure of regularization paths for piecewise differentiable regularization terms. Journal of Global Optimization, 85(3), 709–741. https://doi.org/10.1007/s10898-022-01223-2","ieee":"B. Gebken, K. Bieker, and S. Peitz, “On the structure of regularization paths for piecewise differentiable regularization terms,” Journal of Global Optimization, vol. 85, no. 3, pp. 709–741, 2023, doi: 10.1007/s10898-022-01223-2.","short":"B. Gebken, K. Bieker, S. Peitz, Journal of Global Optimization 85 (2023) 709–741."},"year":"2023","page":"709-741","title":"On the structure of regularization paths for piecewise differentiable regularization terms","department":[{"_id":"101"},{"_id":"655"}],"date_updated":"2023-03-11T17:16:33Z","oa":"1","doi":"10.1007/s10898-022-01223-2","language":[{"iso":"eng"}]},{"ddc":["530"],"user_id":"158","publisher":"Elsevier BV","author":[{"full_name":"Alhaddad, Samer","first_name":"Samer","id":"42456","last_name":"Alhaddad"},{"last_name":"Förstner","id":"158","first_name":"Jens","full_name":"Förstner, Jens","orcid":"0000-0001-7059-9862"},{"full_name":"Grynko, Yevgen","first_name":"Yevgen","id":"26059","last_name":"Grynko"}],"publication":"Journal of Quantitative Spectroscopy and Radiative Transfer","file_date_updated":"2023-03-15T17:35:29Z","keyword":["tet_topic_scattering"],"file":[{"date_updated":"2023-03-15T15:58:15Z","content_type":"application/pdf","relation":"main_file","file_size":1508833,"creator":"fossie","file_id":"43028","access_level":"local","file_name":"2023-03 Alhaddad - JQSRT - Numerical study of light backscattering from layers of absorbing particles larger than the wavelength.pdf","date_created":"2023-03-15T15:58:15Z"},{"access_level":"open_access","file_name":"2023-03 Alhaddad - JQSRT - Numerical study of light backscattering from layers of absorbing particles larger than the wavelength (accepted manuscript).pdf","date_created":"2023-03-15T17:35:29Z","relation":"main_file","date_updated":"2023-03-15T17:35:29Z","content_type":"application/pdf","file_id":"43029","creator":"fossie","file_size":4254386}],"volume":302,"status":"public","has_accepted_license":"1","date_created":"2023-03-14T12:32:54Z","intvolume":" 302","_id":"43018","article_number":"108557","citation":{"short":"S. Alhaddad, J. Förstner, Y. Grynko, Journal of Quantitative Spectroscopy and Radiative Transfer 302 (2023).","ieee":"S. Alhaddad, J. Förstner, and Y. Grynko, “Numerical study of light backscattering from layers of absorbing irregular particles larger than the wavelength,” Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 302, Art. no. 108557, 2023, doi: 10.1016/j.jqsrt.2023.108557.","ama":"Alhaddad S, Förstner J, Grynko Y. Numerical study of light backscattering from layers of absorbing irregular particles larger than the wavelength. Journal of Quantitative Spectroscopy and Radiative Transfer. 2023;302. doi:10.1016/j.jqsrt.2023.108557","apa":"Alhaddad, S., Förstner, J., & Grynko, Y. (2023). Numerical study of light backscattering from layers of absorbing irregular particles larger than the wavelength. Journal of Quantitative Spectroscopy and Radiative Transfer, 302, Article 108557. https://doi.org/10.1016/j.jqsrt.2023.108557","chicago":"Alhaddad, Samer, Jens Förstner, and Yevgen Grynko. “Numerical Study of Light Backscattering from Layers of Absorbing Irregular Particles Larger than the Wavelength.” Journal of Quantitative Spectroscopy and Radiative Transfer 302 (2023). https://doi.org/10.1016/j.jqsrt.2023.108557.","mla":"Alhaddad, Samer, et al. “Numerical Study of Light Backscattering from Layers of Absorbing Irregular Particles Larger than the Wavelength.” Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 302, 108557, Elsevier BV, 2023, doi:10.1016/j.jqsrt.2023.108557.","bibtex":"@article{Alhaddad_Förstner_Grynko_2023, title={Numerical study of light backscattering from layers of absorbing irregular particles larger than the wavelength}, volume={302}, DOI={10.1016/j.jqsrt.2023.108557}, number={108557}, journal={Journal of Quantitative Spectroscopy and Radiative Transfer}, publisher={Elsevier BV}, author={Alhaddad, Samer and Förstner, Jens and Grynko, Yevgen}, year={2023} }"},"year":"2023","type":"journal_article","title":"Numerical study of light backscattering from layers of absorbing irregular particles larger than the wavelength","department":[{"_id":"61"}],"publication_status":"published","publication_identifier":{"issn":["0022-4073"]},"project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"date_updated":"2023-03-15T17:36:13Z","doi":"10.1016/j.jqsrt.2023.108557","oa":"1","language":[{"iso":"eng"}]},{"title":"LoRa Transceiver for Load Monitoring and Control System in Microgrids","user_id":"20179","publication_status":"published","date_created":"2023-01-24T09:35:34Z","status":"public","publication":"2022 International Conference on Engineering and Emerging Technologies (ICEET)","department":[{"_id":"59"}],"author":[{"last_name":"Mwammenywa","first_name":"Ibrahim","full_name":"Mwammenywa, Ibrahim"},{"full_name":"Petrov, Dmitry","first_name":"Dmitry","last_name":"Petrov"},{"first_name":"Philipp","full_name":"Holle, Philipp","last_name":"Holle"},{"id":"20179","last_name":"Hilleringmann","full_name":"Hilleringmann, Ulrich","first_name":"Ulrich"}],"publisher":"IEEE","doi":"10.1109/iceet56468.2022.10007274","_id":"39359","date_updated":"2023-03-21T09:42:20Z","type":"conference","citation":{"short":"I. Mwammenywa, D. Petrov, P. Holle, U. Hilleringmann, in: 2022 International Conference on Engineering and Emerging Technologies (ICEET), IEEE, 2023.","ieee":"I. Mwammenywa, D. Petrov, P. Holle, and U. Hilleringmann, “LoRa Transceiver for Load Monitoring and Control System in Microgrids,” 2023, doi: 10.1109/iceet56468.2022.10007274.","apa":"Mwammenywa, I., Petrov, D., Holle, P., & Hilleringmann, U. (2023). LoRa Transceiver for Load Monitoring and Control System in Microgrids. 2022 International Conference on Engineering and Emerging Technologies (ICEET). https://doi.org/10.1109/iceet56468.2022.10007274","ama":"Mwammenywa I, Petrov D, Holle P, Hilleringmann U. LoRa Transceiver for Load Monitoring and Control System in Microgrids. In: 2022 International Conference on Engineering and Emerging Technologies (ICEET). IEEE; 2023. doi:10.1109/iceet56468.2022.10007274","chicago":"Mwammenywa, Ibrahim, Dmitry Petrov, Philipp Holle, and Ulrich Hilleringmann. “LoRa Transceiver for Load Monitoring and Control System in Microgrids.” In 2022 International Conference on Engineering and Emerging Technologies (ICEET). IEEE, 2023. https://doi.org/10.1109/iceet56468.2022.10007274.","mla":"Mwammenywa, Ibrahim, et al. “LoRa Transceiver for Load Monitoring and Control System in Microgrids.” 2022 International Conference on Engineering and Emerging Technologies (ICEET), IEEE, 2023, doi:10.1109/iceet56468.2022.10007274.","bibtex":"@inproceedings{Mwammenywa_Petrov_Holle_Hilleringmann_2023, title={LoRa Transceiver for Load Monitoring and Control System in Microgrids}, DOI={10.1109/iceet56468.2022.10007274}, booktitle={2022 International Conference on Engineering and Emerging Technologies (ICEET)}, publisher={IEEE}, author={Mwammenywa, Ibrahim and Petrov, Dmitry and Holle, Philipp and Hilleringmann, Ulrich}, year={2023} }"},"year":"2023","language":[{"iso":"eng"}]},{"language":[{"iso":"eng"}],"type":"preprint","citation":{"short":"C. Lienen, S.H. Middeke, M. Platzner, (2023).","ieee":"C. Lienen, S. H. Middeke, and M. Platzner, “fpgaDDS: An Intra-FPGA Data Distribution Service for ROS 2 Robotics Applications.” 2023.","ama":"Lienen C, Middeke SH, Platzner M. fpgaDDS: An Intra-FPGA Data Distribution Service for ROS 2 Robotics Applications. Published online 2023.","apa":"Lienen, C., Middeke, S. H., & Platzner, M. (2023). fpgaDDS: An Intra-FPGA Data Distribution Service for ROS 2 Robotics Applications.","chicago":"Lienen, Christian, Sorel Horst Middeke, and Marco Platzner. “FpgaDDS: An Intra-FPGA Data Distribution Service for ROS 2 Robotics Applications,” 2023.","bibtex":"@article{Lienen_Middeke_Platzner_2023, title={fpgaDDS: An Intra-FPGA Data Distribution Service for ROS 2 Robotics Applications}, author={Lienen, Christian and Middeke, Sorel Horst and Platzner, Marco}, year={2023} }","mla":"Lienen, Christian, et al. FpgaDDS: An Intra-FPGA Data Distribution Service for ROS 2 Robotics Applications. 2023."},"year":"2023","main_file_link":[{"url":"https://arxiv.org/pdf/2303.00532.pdf"}],"_id":"43048","date_updated":"2023-03-20T07:42:34Z","status":"public","date_created":"2023-03-20T07:41:47Z","author":[{"full_name":"Lienen, Christian","first_name":"Christian","id":"60323","last_name":"Lienen"},{"last_name":"Middeke","first_name":"Sorel Horst","full_name":"Middeke, Sorel Horst"},{"id":"398","last_name":"Platzner","full_name":"Platzner, Marco","first_name":"Marco"}],"department":[{"_id":"78"}],"user_id":"60323","title":"fpgaDDS: An Intra-FPGA Data Distribution Service for ROS 2 Robotics Applications"},{"title":"Student Teachers ’ Knowledge of Congruence before a University Course on Geometry","place":"Hannover","publication_status":"published","editor":[{"first_name":"Marı́a","full_name":"Trigueros, Marı́a","last_name":"Trigueros"},{"full_name":"Barquero, Berta","first_name":"Berta","last_name":"Barquero"},{"last_name":"Hochmuth","first_name":"Reinhard","full_name":"Hochmuth, Reinhard"},{"first_name":"Jana","full_name":"Peters, Jana","last_name":"Peters"}],"department":[{"_id":"97"}],"oa":"1","date_updated":"2023-03-25T10:11:35Z","language":[{"iso":"eng"}],"ddc":["370","510"],"user_id":"32202","date_created":"2022-06-12T11:07:34Z","has_accepted_license":"1","status":"public","publication":"Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022)","file_date_updated":"2023-03-25T10:01:03Z","keyword":["Teaching and learning of specific topics in university mathematics","Transition to","across and from university mathematics","Student Teachers","Geometry","Congruence","Double Discontinuity."],"publisher":"University of Hannover and INDRUM.","quality_controlled":"1","author":[{"last_name":"Hoffmann","id":"32202","first_name":"Max","full_name":"Hoffmann, Max","orcid":"0000-0002-6964-7123"},{"id":"16274","last_name":"Biehler","full_name":"Biehler, Rolf","first_name":"Rolf"}],"file":[{"access_level":"closed","date_created":"2023-03-25T10:01:03Z","file_name":"HoffmannBiehler2022_indrum_congruence.pdf","relation":"main_file","success":1,"date_updated":"2023-03-25T10:01:03Z","content_type":"application/pdf","file_id":"43096","creator":"maxh","file_size":201942}],"_id":"31849","citation":{"ieee":"M. Hoffmann and R. Biehler, “Student Teachers ’ Knowledge of Congruence before a University Course on Geometry,” in Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022), 2023.","short":"M. Hoffmann, R. Biehler, in: M. Trigueros, B. Barquero, R. Hochmuth, J. Peters (Eds.), Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022), University of Hannover and INDRUM., Hannover, 2023.","mla":"Hoffmann, Max, and Rolf Biehler. “Student Teachers ’ Knowledge of Congruence before a University Course on Geometry.” Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022), edited by Marı́a Trigueros et al., University of Hannover and INDRUM., 2023.","bibtex":"@inproceedings{Hoffmann_Biehler_2023, place={Hannover}, title={Student Teachers ’ Knowledge of Congruence before a University Course on Geometry}, booktitle={Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022)}, publisher={University of Hannover and INDRUM.}, author={Hoffmann, Max and Biehler, Rolf}, editor={Trigueros, Marı́a and Barquero, Berta and Hochmuth, Reinhard and Peters, Jana}, year={2023} }","chicago":"Hoffmann, Max, and Rolf Biehler. “Student Teachers ’ Knowledge of Congruence before a University Course on Geometry.” In Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022), edited by Marı́a Trigueros, Berta Barquero, Reinhard Hochmuth, and Jana Peters. Hannover: University of Hannover and INDRUM., 2023.","apa":"Hoffmann, M., & Biehler, R. (2023). Student Teachers ’ Knowledge of Congruence before a University Course on Geometry. In M. Trigueros, B. Barquero, R. Hochmuth, & J. Peters (Eds.), Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022). University of Hannover and INDRUM.","ama":"Hoffmann M, Biehler R. Student Teachers ’ Knowledge of Congruence before a University Course on Geometry. In: Trigueros M, Barquero B, Hochmuth R, Peters J, eds. Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022). University of Hannover and INDRUM.; 2023."},"type":"conference","year":"2023","main_file_link":[{"url":"https://hal.univ-reims.fr/INDRUM2022/","open_access":"1"}]},{"language":[{"iso":"eng"}],"oa":"1","date_updated":"2023-03-25T10:10:58Z","editor":[{"last_name":"Trigueros","first_name":"Marı́a","full_name":"Trigueros, Marı́a"},{"full_name":"Barquero, Berta","first_name":"Berta","last_name":"Barquero"},{"last_name":"Hochmuth","full_name":"Hochmuth, Reinhard","first_name":"Reinhard"},{"first_name":"Jana","full_name":"Peters, Jana","last_name":"Peters"}],"department":[{"_id":"97"}],"title":"Innovations in university teaching based on mathematic education research","place":"Hannover","year":"2023","type":"conference","citation":{"ieee":"I. Florensa, M. Hoffmann, A. Romo Vázquez, M. Zandieh, and R. Martínez-Planell, “Innovations in university teaching based on mathematic education research,” in Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022), 2023.","short":"I. Florensa, M. Hoffmann, A. Romo Vázquez, M. Zandieh, R. Martínez-Planell, in: M. Trigueros, B. Barquero, R. Hochmuth, J. Peters (Eds.), Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022), Hannover, 2023.","bibtex":"@inproceedings{Florensa_Hoffmann_Romo Vázquez_Zandieh_Martínez-Planell_2023, place={Hannover}, title={Innovations in university teaching based on mathematic education research}, booktitle={Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022)}, author={Florensa, Ignasio and Hoffmann, Max and Romo Vázquez, Avenilde and Zandieh, Michelle and Martínez-Planell, Rafael}, editor={Trigueros, Marı́a and Barquero, Berta and Hochmuth, Reinhard and Peters, Jana}, year={2023} }","mla":"Florensa, Ignasio, et al. “Innovations in University Teaching Based on Mathematic Education Research.” Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022), edited by Marı́a Trigueros et al., 2023.","chicago":"Florensa, Ignasio, Max Hoffmann, Avenilde Romo Vázquez, Michelle Zandieh, and Rafael Martínez-Planell. “Innovations in University Teaching Based on Mathematic Education Research.” In Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022), edited by Marı́a Trigueros, Berta Barquero, Reinhard Hochmuth, and Jana Peters. 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Peters (Eds.), Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022)."},"main_file_link":[{"url":"https://hal.univ-reims.fr/INDRUM2022/","open_access":"1"}],"_id":"43097","has_accepted_license":"1","status":"public","date_created":"2023-03-25T10:09:06Z","file":[{"file_size":642388,"creator":"maxh","file_id":"43098","date_updated":"2023-03-25T10:07:54Z","content_type":"application/pdf","relation":"main_file","success":1,"date_created":"2023-03-25T10:07:54Z","file_name":"2022_FlorensaEtAl_indrum_panelInnovations.pdf","access_level":"closed"}],"author":[{"last_name":"Florensa","first_name":"Ignasio","full_name":"Florensa, Ignasio"},{"first_name":"Max","orcid":"0000-0002-6964-7123","full_name":"Hoffmann, Max","last_name":"Hoffmann","id":"32202"},{"first_name":"Avenilde","full_name":"Romo Vázquez, Avenilde","last_name":"Romo Vázquez"},{"full_name":"Zandieh, Michelle","first_name":"Michelle","last_name":"Zandieh"},{"last_name":"Martínez-Planell","first_name":"Rafael","full_name":"Martínez-Planell, Rafael"}],"quality_controlled":"1","publication":"Proceedings of the Fourth Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2022, 19-22 October 2022)","file_date_updated":"2023-03-25T10:07:54Z","user_id":"32202","ddc":["370","510"]},{"title":"Beep-and-Sleep: Message and Energy Efficient Set Cover","user_id":"15504","author":[{"id":"34727","last_name":"Götte","full_name":"Götte, Thorsten","first_name":"Thorsten"},{"last_name":"Kolb","full_name":"Kolb, Christina","first_name":"Christina"},{"full_name":"Scheideler, Christian","first_name":"Christian","id":"20792","last_name":"Scheideler"},{"last_name":"Werthmann","id":"50024","first_name":"Julian","full_name":"Werthmann, Julian"}],"publication":"Theor. 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García-Blanco and Pavel Cheben, 124241E. SPIE, 2023. https://doi.org/10.1117/12.2658921.","apa":"Farheen, H., Yan, L.-Y., Leuteritz, T., Qiao, S., Spreyer, F., Schlickriede, C., Quiring, V., Eigner, C., Silberhorn, C., Zentgraf, T., Linden, S., Myroshnychenko, V., & Förstner, J. (2023). Tailoring the directive nature of optical waveguide antennas. In S. M. García-Blanco & P. Cheben (Eds.), Integrated Optics: Devices, Materials, and Technologies XXVII (p. 124241E). SPIE. https://doi.org/10.1117/12.2658921","ama":"Farheen H, Yan L-Y, Leuteritz T, et al. Tailoring the directive nature of optical waveguide antennas. In: García-Blanco SM, Cheben P, eds. Integrated Optics: Devices, Materials, and Technologies XXVII. 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Schlickriede, V. Quiring, C. Eigner, C. Silberhorn, T. Zentgraf, S. Linden, V. Myroshnychenko, J. Förstner, in: S.M. García-Blanco, P. Cheben (Eds.), Integrated Optics: Devices, Materials, and Technologies XXVII, SPIE, 2023, p. 124241E.","ieee":"H. Farheen et al., “Tailoring the directive nature of optical waveguide antennas,” in Integrated Optics: Devices, Materials, and Technologies XXVII, 2023, p. 124241E, doi: 10.1117/12.2658921."},"type":"conference","abstract":[{"text":"We demonstrate the numerical and experimental realization of optimized optical traveling-wave antennas made of low-loss dielectric materials. These antennas exhibit highly directive radiation patterns and our studies reveal that this nature comes from two dominant guided TE modes excited in the waveguide-like director of the antenna, in addition to the leaky modes. The optimized antennas possess a broadband nature and have a nearunity radiation efficiency at an operational wavelength of 780 nm. Compared to the previously studied plasmonic antennas for photon emission, our all-dielectric approach demonstrates a new class of highly directional, low-loss, and broadband optical antennas.","lang":"eng"}],"user_id":"158","ddc":["530"],"file":[{"access_level":"local","file_name":"2023-01 Poster Photonics West Henna OWA_A0.pdf","date_created":"2023-03-22T09:25:57Z","date_updated":"2023-03-22T09:25:57Z","content_type":"application/pdf","relation":"main_file","file_size":1426599,"file_id":"43062","creator":"fossie"}],"publication":"Integrated Optics: Devices, Materials, and Technologies XXVII","file_date_updated":"2023-03-22T09:25:57Z","keyword":["tet_topic_opticalantenna"],"publisher":"SPIE","author":[{"last_name":"Farheen","full_name":"Farheen, Henna","first_name":"Henna"},{"full_name":"Yan, Lok-Yee","first_name":"Lok-Yee","last_name":"Yan"},{"first_name":"Till","full_name":"Leuteritz, Till","last_name":"Leuteritz"},{"last_name":"Qiao","first_name":"Siqi","full_name":"Qiao, Siqi"},{"last_name":"Spreyer","first_name":"Florian","full_name":"Spreyer, Florian"},{"last_name":"Schlickriede","full_name":"Schlickriede, Christian","first_name":"Christian"},{"first_name":"Viktor","full_name":"Quiring, Viktor","last_name":"Quiring"},{"last_name":"Eigner","full_name":"Eigner, Christof","first_name":"Christof"},{"first_name":"Christine","full_name":"Silberhorn, Christine","last_name":"Silberhorn","id":"26263"},{"first_name":"Thomas","orcid":"0000-0002-8662-1101","full_name":"Zentgraf, Thomas","last_name":"Zentgraf","id":"30525"},{"first_name":"Stefan","full_name":"Linden, Stefan","last_name":"Linden"},{"full_name":"Myroshnychenko, Viktor","first_name":"Viktor","id":"46371","last_name":"Myroshnychenko"},{"first_name":"Jens","orcid":"0000-0001-7059-9862","full_name":"Förstner, Jens","last_name":"Förstner","id":"158"}],"date_created":"2023-03-21T12:28:31Z","status":"public","has_accepted_license":"1","date_updated":"2023-03-22T09:26:25Z","doi":"10.1117/12.2658921","language":[{"iso":"eng"}],"title":"Tailoring the directive nature of optical waveguide antennas","department":[{"_id":"61"},{"_id":"230"},{"_id":"429"}],"publication_status":"published","editor":[{"full_name":"García-Blanco, Sonia M.","first_name":"Sonia M.","last_name":"García-Blanco"},{"full_name":"Cheben, Pavel","first_name":"Pavel","last_name":"Cheben"}]},{"editor":[{"last_name":"García-Blanco","full_name":"García-Blanco, Sonia M.","first_name":"Sonia M."},{"first_name":"Pavel","full_name":"Cheben, Pavel","last_name":"Cheben"}],"publication_status":"published","department":[{"_id":"61"},{"_id":"230"},{"_id":"429"}],"title":"Optimized silicon antennas for optical phased arrays","language":[{"iso":"eng"}],"doi":"10.1117/12.2658716","date_updated":"2023-03-22T20:53:50Z","status":"public","has_accepted_license":"1","date_created":"2023-03-21T12:35:18Z","file":[{"access_level":"request","date_created":"2023-03-22T07:41:49Z","file_name":"2023-01 Poster Photonics West Henna OPA_A0.pdf","relation":"main_file","date_updated":"2023-03-22T20:53:11Z","content_type":"application/pdf","creator":"fossie","file_id":"43055","file_size":1747396}],"author":[{"last_name":"Farheen","first_name":"Henna","full_name":"Farheen, Henna"},{"first_name":"Andreas","full_name":"Strauch, Andreas","last_name":"Strauch"},{"first_name":"J. Christoph","orcid":"https://orcid.org/0000-0002-5950-6618","full_name":"Scheytt, J. Christoph","last_name":"Scheytt","id":"37144"},{"first_name":"Viktor","full_name":"Myroshnychenko, Viktor","last_name":"Myroshnychenko","id":"46371"},{"orcid":"0000-0001-7059-9862","full_name":"Förstner, Jens","first_name":"Jens","id":"158","last_name":"Förstner"}],"publisher":"SPIE","file_date_updated":"2023-03-22T20:53:11Z","publication":"Integrated Optics: Devices, Materials, and Technologies XXVII","keyword":["tet_topic_opticalantenna"],"user_id":"14931","ddc":["530"],"abstract":[{"lang":"eng","text":"We demonstrate a large-scale two dimensional silicon-based optical phased array (OPA) composed of nanoantennas with circular gratings that are balanced in power and aligned in phase, required for producing desired radiation patterns in the far-field. The OPAs are numerically optimized to have an upward efficiency of up to 90%, targeting radiation concentration mainly in the field of view. We envision that our OPAs have the ability of generating complex holographic images, rendering them an attractive candidate for a wide range of applications like LiDAR sensors, optical trapping, optogenetic stimulation and augmented-reality displays."}],"year":"2023","citation":{"ieee":"H. Farheen, A. Strauch, J. C. Scheytt, V. Myroshnychenko, and J. Förstner, “Optimized silicon antennas for optical phased arrays,” in Integrated Optics: Devices, Materials, and Technologies XXVII, 2023, p. 124241D, doi: 10.1117/12.2658716.","short":"H. Farheen, A. Strauch, J.C. Scheytt, V. Myroshnychenko, J. Förstner, in: S.M. García-Blanco, P. 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SPIE, 2023. https://doi.org/10.1117/12.2658716."},"type":"conference","page":"124241D ","_id":"43052"},{"doi":"10.1016/j.nonrwa.2023.103868","date_updated":"2023-03-27T07:27:03Z","language":[{"iso":"eng"}],"title":"Possible points of blow-up in chemotaxis systems with spatially heterogeneous logistic source","publication_identifier":{"issn":["1468-1218"]},"publication_status":"published","department":[{"_id":"34"},{"_id":"10"},{"_id":"90"}],"article_number":"103868","intvolume":" 73","_id":"43105","citation":{"chicago":"Black, Tobias, Mario Fuest, Johannes Lankeit, and Masaaki Mizukami. “Possible Points of Blow-up in Chemotaxis Systems with Spatially Heterogeneous Logistic Source.” Nonlinear Analysis: Real World Applications 73 (2023). https://doi.org/10.1016/j.nonrwa.2023.103868.","ama":"Black T, Fuest M, Lankeit J, Mizukami M. Possible points of blow-up in chemotaxis systems with spatially heterogeneous logistic source. 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Mizukami, “Possible points of blow-up in chemotaxis systems with spatially heterogeneous logistic source,” Nonlinear Analysis: Real World Applications, vol. 73, Art. no. 103868, 2023, doi: 10.1016/j.nonrwa.2023.103868."},"year":"2023","type":"journal_article","user_id":"23686","status":"public","date_created":"2023-03-27T07:25:58Z","volume":73,"publisher":"Elsevier BV","author":[{"last_name":"Black","id":"23686","first_name":"Tobias","full_name":"Black, Tobias","orcid":"0000-0001-9963-0800"},{"last_name":"Fuest","full_name":"Fuest, Mario","first_name":"Mario"},{"first_name":"Johannes","full_name":"Lankeit, Johannes","last_name":"Lankeit"},{"last_name":"Mizukami","first_name":"Masaaki","full_name":"Mizukami, Masaaki"}],"keyword":["Applied Mathematics","Computational Mathematics","General Economics","Econometrics and Finance","General Engineering","General Medicine","Analysis"],"publication":"Nonlinear Analysis: Real World Applications"},{"author":[{"first_name":"Vivian","full_name":"Vitt, Vivian","last_name":"Vitt"},{"last_name":"Häsel-Weide","id":"60267","first_name":"Uta","full_name":"Häsel-Weide, Uta"}],"publication":"Mathematica Didactica, 46","department":[{"_id":"543"}],"status":"public","date_created":"2023-03-30T10:06:24Z","user_id":"44184","title":"Reziprokes Peer-Tutoring zur Förderung von Schüler*innen mit Schwierigkeiten beim Mathematiklernen.","language":[{"iso":"eng"}],"citation":{"bibtex":"@inbook{Vitt_Häsel-Weide_2023, title={Reziprokes Peer-Tutoring zur Förderung von Schüler*innen mit Schwierigkeiten beim Mathematiklernen.}, DOI={https://doi.org/10.18716/ojs/md/2023.1671}, booktitle={Mathematica Didactica, 46}, author={Vitt, Vivian and Häsel-Weide, Uta}, year={2023} }","mla":"Vitt, Vivian, and Uta Häsel-Weide. “Reziprokes Peer-Tutoring Zur Förderung von Schüler*innen Mit Schwierigkeiten Beim Mathematiklernen.” Mathematica Didactica, 46, 2023, doi:https://doi.org/10.18716/ojs/md/2023.1671.","chicago":"Vitt, Vivian, and Uta Häsel-Weide. “Reziprokes Peer-Tutoring Zur Förderung von Schüler*innen Mit Schwierigkeiten Beim Mathematiklernen.” In Mathematica Didactica, 46, 2023. https://doi.org/10.18716/ojs/md/2023.1671.","apa":"Vitt, V., & Häsel-Weide, U. 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On Cryptography Effects on Interconnect Reliability. 35. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’23), Feb. 2023; 2023.","apa":"Ghazal, A., Sadeghi-Kohan, S., Reimer, J. D., & Hellebrand, S. (2023). On Cryptography Effects on Interconnect Reliability. 35. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’23), Feb. 2023.","chicago":"Ghazal, Abdulkarim, Somayeh Sadeghi-Kohan, Jan Dennis Reimer, and Sybille Hellebrand. On Cryptography Effects on Interconnect Reliability. Erfurt, Germany: 35. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’23), Feb. 2023, 2023.","bibtex":"@book{Ghazal_Sadeghi-Kohan_Reimer_Hellebrand_2023, place={Erfurt, Germany}, title={On Cryptography Effects on Interconnect Reliability}, publisher={35. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’23), Feb. 2023}, author={Ghazal, Abdulkarim and Sadeghi-Kohan, Somayeh and Reimer, Jan Dennis and Hellebrand, Sybille}, year={2023} }","mla":"Ghazal, Abdulkarim, et al. On Cryptography Effects on Interconnect Reliability. 35. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’23), Feb. 2023, 2023.","short":"A. Ghazal, S. Sadeghi-Kohan, J.D. Reimer, S. Hellebrand, On Cryptography Effects on Interconnect Reliability, 35. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’23), Feb. 2023, Erfurt, Germany, 2023.","ieee":"A. Ghazal, S. Sadeghi-Kohan, J. D. Reimer, and S. Hellebrand, On Cryptography Effects on Interconnect Reliability. Erfurt, Germany: 35. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’23), Feb. 2023, 2023."},"page":"2","place":"Erfurt, Germany","user_id":"36703","title":"On Cryptography Effects on Interconnect Reliability","publisher":"35. Workshop \"Testmethoden und Zuverlässigkeit von Schaltungen und Systemen\" (TuZ'23), Feb. 2023","author":[{"first_name":"Abdulkarim","full_name":"Ghazal, Abdulkarim","last_name":"Ghazal"},{"first_name":"Somayeh","full_name":"Sadeghi-Kohan, Somayeh","last_name":"Sadeghi-Kohan","id":"78614"},{"full_name":"Reimer, Jan Dennis","first_name":"Jan Dennis","id":"36703","last_name":"Reimer"},{"id":"209","last_name":"Hellebrand","orcid":"0000-0002-3717-3939","full_name":"Hellebrand, Sybille","first_name":"Sybille"}],"department":[{"_id":"48"}],"keyword":["WORKSHOP"],"status":"public","date_created":"2023-01-04T10:20:41Z"},{"publication_identifier":{"issn":["0885-8993","1941-0107"]},"publication_status":"published","status":"public","date_created":"2023-04-11T14:19:06Z","publisher":"Institute of Electrical and Electronics Engineers (IEEE)","author":[{"first_name":"Anian","orcid":"0000-0003-4871-1664","full_name":"Brosch, Anian","last_name":"Brosch","id":"75779"},{"id":"11291","last_name":"Wallscheid","full_name":"Wallscheid, Oliver","orcid":"https://orcid.org/0000-0001-9362-8777","first_name":"Oliver"},{"last_name":"Böcker","id":"66","first_name":"Joachim","orcid":"0000-0002-8480-7295","full_name":"Böcker, Joachim"}],"keyword":["Electrical and Electronic Engineering"],"department":[{"_id":"52"}],"publication":"IEEE Transactions on Power Electronics","title":"Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints","user_id":"75779","type":"journal_article","citation":{"chicago":"Brosch, Anian, Oliver Wallscheid, and Joachim Böcker. “Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints.” IEEE Transactions on Power Electronics, 2023, 1–14. https://doi.org/10.1109/tpel.2023.3265705.","apa":"Brosch, A., Wallscheid, O., & Böcker, J. (2023). Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints. IEEE Transactions on Power Electronics, 1–14. https://doi.org/10.1109/tpel.2023.3265705","ama":"Brosch A, Wallscheid O, Böcker J. Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints. IEEE Transactions on Power Electronics. Published online 2023:1-14. doi:10.1109/tpel.2023.3265705","bibtex":"@article{Brosch_Wallscheid_Böcker_2023, title={Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints}, DOI={10.1109/tpel.2023.3265705}, journal={IEEE Transactions on Power Electronics}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Brosch, Anian and Wallscheid, Oliver and Böcker, Joachim}, year={2023}, pages={1–14} }","mla":"Brosch, Anian, et al. “Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints.” IEEE Transactions on Power Electronics, Institute of Electrical and Electronics Engineers (IEEE), 2023, pp. 1–14, doi:10.1109/tpel.2023.3265705.","short":"A. Brosch, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics (2023) 1–14.","ieee":"A. Brosch, O. Wallscheid, and J. Böcker, “Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints,” IEEE Transactions on Power Electronics, pp. 1–14, 2023, doi: 10.1109/tpel.2023.3265705."},"year":"2023","page":"1-14","language":[{"iso":"eng"}],"doi":"10.1109/tpel.2023.3265705","date_updated":"2023-04-11T14:22:13Z","_id":"43456"},{"title":"How to suppress radiative losses in high-contrast integrated Bragg gratings","department":[{"_id":"61"},{"_id":"230"},{"_id":"429"}],"project":[{"_id":"53","name":"TRR 142: TRR 142"},{"_id":"55","name":"TRR 142 - B: TRR 142 - Project Area B"},{"_id":"167","name":"TRR 142 - B06: TRR 142 - Subproject B06"}],"publication_status":"published","publication_identifier":{"issn":["0740-3224","1520-8540"]},"date_updated":"2023-04-20T10:03:40Z","oa":"1","doi":"10.1364/josab.485725","language":[{"iso":"eng"}],"abstract":[{"lang":"eng","text":"High-contrast slab waveguide Bragg gratings with 1D periodicity are investigated. For specific oblique excitation by semi-guided waves at sufficiently high angles of incidence, the idealized structures do not exhibit any radiative losses, such that reflectance and transmittance for the single port mode add strictly up to one. We consider a series of symmetric, fully and partly etched finite gratings, for parameters found in integrated silicon photonics. These can act as spectral filters with a reasonably flattop response. Apodization can lead to more box shaped reflectance and transmittance spectra. Together with a narrowband Fabry–Perot filter, these configurations are characterized by reflection bands, or transmittance peaks, with widths that span three orders of magnitude."}],"user_id":"158","ddc":["530"],"file":[{"file_id":"43247","creator":"fossie","file_size":1982311,"relation":"main_file","date_updated":"2023-03-31T13:14:59Z","content_type":"application/pdf","date_created":"2023-03-31T13:14:59Z","file_name":"ogr-afterreview.pdf","access_level":"open_access"}],"author":[{"first_name":"Manfred","full_name":"Hammer, Manfred","orcid":"0000-0002-6331-9348","last_name":"Hammer","id":"48077"},{"first_name":"Henna","full_name":"Farheen, Henna","last_name":"Farheen"},{"first_name":"Jens","orcid":"0000-0001-7059-9862","full_name":"Förstner, Jens","last_name":"Förstner","id":"158"}],"publisher":"Optica Publishing Group","publication":"Journal of the Optical Society of America B","file_date_updated":"2023-03-31T13:14:59Z","keyword":["tet_topic_waveguide"],"status":"public","has_accepted_license":"1","date_created":"2023-03-31T13:04:43Z","volume":40,"intvolume":" 40","_id":"43245","issue":"4","year":"2023","citation":{"chicago":"Hammer, Manfred, Henna Farheen, and Jens Förstner. “How to Suppress Radiative Losses in High-Contrast Integrated Bragg Gratings.” Journal of the Optical Society of America B 40, no. 4 (2023): 862. https://doi.org/10.1364/josab.485725.","ama":"Hammer M, Farheen H, Förstner J. How to suppress radiative losses in high-contrast integrated Bragg gratings. Journal of the Optical Society of America B. 2023;40(4):862. doi:10.1364/josab.485725","apa":"Hammer, M., Farheen, H., & Förstner, J. (2023). How to suppress radiative losses in high-contrast integrated Bragg gratings. Journal of the Optical Society of America B, 40(4), 862. https://doi.org/10.1364/josab.485725","mla":"Hammer, Manfred, et al. “How to Suppress Radiative Losses in High-Contrast Integrated Bragg Gratings.” Journal of the Optical Society of America B, vol. 40, no. 4, Optica Publishing Group, 2023, p. 862, doi:10.1364/josab.485725.","bibtex":"@article{Hammer_Farheen_Förstner_2023, title={How to suppress radiative losses in high-contrast integrated Bragg gratings}, volume={40}, DOI={10.1364/josab.485725}, number={4}, journal={Journal of the Optical Society of America B}, publisher={Optica Publishing Group}, author={Hammer, Manfred and Farheen, Henna and Förstner, Jens}, year={2023}, pages={862} }","short":"M. Hammer, H. Farheen, J. Förstner, Journal of the Optical Society of America B 40 (2023) 862.","ieee":"M. Hammer, H. Farheen, and J. Förstner, “How to suppress radiative losses in high-contrast integrated Bragg gratings,” Journal of the Optical Society of America B, vol. 40, no. 4, p. 862, 2023, doi: 10.1364/josab.485725."},"type":"journal_article","page":"862"},{"page":"97","citation":{"apa":"Hähnel, D., Golla, C., Albert, M., Zentgraf, T., Myroshnychenko, V., Förstner, J., & Meier, C. (2023). A multi-mode super-fano mechanism for enhanced third harmonic generation in silicon metasurfaces. Light: Science & Applications, 12(1), 97. https://doi.org/10.1038/s41377-023-01134-1","ama":"Hähnel D, Golla C, Albert M, et al. A multi-mode super-fano mechanism for enhanced third harmonic generation in silicon metasurfaces. Light: Science & Applications. 2023;12(1):97. doi:https://doi.org/10.1038/s41377-023-01134-1","chicago":"Hähnel, David, Christian Golla, Maximilian Albert, Thomas Zentgraf, Viktor Myroshnychenko, Jens Förstner, and Cedrik Meier. “A Multi-Mode Super-Fano Mechanism for Enhanced Third Harmonic Generation in Silicon Metasurfaces.” Light: Science & Applications 12, no. 1 (2023): 97. https://doi.org/10.1038/s41377-023-01134-1.","bibtex":"@article{Hähnel_Golla_Albert_Zentgraf_Myroshnychenko_Förstner_Meier_2023, title={A multi-mode super-fano mechanism for enhanced third harmonic generation in silicon metasurfaces}, volume={12}, DOI={https://doi.org/10.1038/s41377-023-01134-1}, number={1}, journal={Light: Science & Applications}, publisher={Springer Nature}, author={Hähnel, David and Golla, Christian and Albert, Maximilian and Zentgraf, Thomas and Myroshnychenko, Viktor and Förstner, Jens and Meier, Cedrik}, year={2023}, pages={97} }","mla":"Hähnel, David, et al. “A Multi-Mode Super-Fano Mechanism for Enhanced Third Harmonic Generation in Silicon Metasurfaces.” Light: Science & Applications, vol. 12, no. 1, Springer Nature, 2023, p. 97, doi:https://doi.org/10.1038/s41377-023-01134-1.","short":"D. Hähnel, C. Golla, M. Albert, T. Zentgraf, V. Myroshnychenko, J. Förstner, C. Meier, Light: Science & Applications 12 (2023) 97.","ieee":"D. Hähnel et al., “A multi-mode super-fano mechanism for enhanced third harmonic generation in silicon metasurfaces,” Light: Science & Applications, vol. 12, no. 1, p. 97, 2023, doi: https://doi.org/10.1038/s41377-023-01134-1."},"type":"journal_article","year":"2023","_id":"44097","intvolume":" 12","issue":"1","publication":"Light: Science & Applications","keyword":["tet_topic_meta"],"file_date_updated":"2023-04-21T10:03:30Z","author":[{"full_name":"Hähnel, David","first_name":"David","last_name":"Hähnel"},{"first_name":"Christian","full_name":"Golla, Christian","last_name":"Golla"},{"first_name":"Maximilian","full_name":"Albert, Maximilian","last_name":"Albert"},{"id":"30525","last_name":"Zentgraf","orcid":"0000-0002-8662-1101","full_name":"Zentgraf, Thomas","first_name":"Thomas"},{"first_name":"Viktor","full_name":"Myroshnychenko, Viktor","last_name":"Myroshnychenko","id":"46371"},{"id":"158","last_name":"Förstner","full_name":"Förstner, Jens","orcid":"0000-0001-7059-9862","first_name":"Jens"},{"orcid":"https://orcid.org/0000-0002-3787-3572","full_name":"Meier, Cedrik","first_name":"Cedrik","id":"20798","last_name":"Meier"}],"quality_controlled":"1","publisher":"Springer Nature","file":[{"file_id":"44098","creator":"fossie","file_size":2088874,"relation":"main_file","date_updated":"2023-04-21T10:00:27Z","content_type":"application/pdf","date_created":"2023-04-21T10:00:27Z","file_name":"2023-04 Hähnel - LSA - Multimode Fano THG.pdf","access_level":"open_access"},{"access_level":"open_access","date_created":"2023-04-21T10:03:30Z","file_name":"2023-04 Hähnel - LSA - Multimode Fano THG (supplementary information).pdf","relation":"supplementary_material","date_updated":"2023-04-21T10:03:30Z","content_type":"application/pdf","creator":"fossie","file_id":"44099","file_size":986743}],"volume":12,"date_created":"2023-04-21T09:45:07Z","status":"public","has_accepted_license":"1","abstract":[{"text":"We present strong enhancement of third harmonic generation in an amorphous silicon metasurface consisting of elliptical nano resonators. We show that this enhancement originates from a new type of multi-mode Fano mechanism. These ‘Super-Fano’ resonances are investigated numerically in great detail using full-wave simulations. The theoretically predicted behavior of the metasurface is experimentally verified by linear and nonlinear transmission spectroscopy. Moreover, quantitative nonlinear measurements are performed, in which an absolute conversion efficiency as high as ηmax ≈ 2.8 × 10−7 a peak power intensity of 1.2 GW cm−2 is found. Compared to an unpatterned silicon film of the same thickness amplification factors of up to ~900 are demonstrated. Our results pave the way to exploiting a strong Fano-type multi-mode coupling in metasurfaces for high THG in potential applications.","lang":"eng"}],"article_type":"original","ddc":["530"],"user_id":"158","language":[{"iso":"eng"}],"date_updated":"2023-04-21T10:04:05Z","doi":"https://doi.org/10.1038/s41377-023-01134-1","oa":"1","department":[{"_id":"61"},{"_id":"230"},{"_id":"429"}],"publication_identifier":{"issn":["2047-7538"]},"publication_status":"published","title":"A multi-mode super-fano mechanism for enhanced third harmonic generation in silicon metasurfaces"}]