[{"abstract":[{"lang":"eng","text":"We compute a Riemann-Roch formula for the invariant Riemann-Roch number of a\r\nquantizable Hamiltonian $S^1$-manifold $(M,\\omega,\\mathcal{J})$ in terms of the\r\ngeometry of its symplectic quotient, allowing $0$ to be a singular value of the\r\nmoment map $\\mathcal{J}:M\\to\\mathbb{R}$. The formula involves a new explicit\r\nlocal invariant of the singularities. Our approach relies on a complete\r\nsingular stationary phase expansion of the associated Witten integral."}],"publication":"arXiv:2302.09894","citation":{"short":"B. Delarue, L. Ioos, P. Ramacher, ArXiv:2302.09894 (2023).","chicago":"Delarue, Benjamin, Louis Ioos, and Pablo Ramacher. “A Riemann-Roch Formula for Singular Reductions by Circle Actions.” <i>ArXiv:2302.09894</i>, 2023.","ieee":"B. Delarue, L. Ioos, and P. Ramacher, “A Riemann-Roch formula for singular reductions by circle actions,” <i>arXiv:2302.09894</i>. 2023.","apa":"Delarue, B., Ioos, L., &#38; Ramacher, P. (2023). A Riemann-Roch formula for singular reductions by circle actions. In <i>arXiv:2302.09894</i>.","bibtex":"@article{Delarue_Ioos_Ramacher_2023, title={A Riemann-Roch formula for singular reductions by circle actions}, journal={arXiv:2302.09894}, author={Delarue, Benjamin and Ioos, Louis and Ramacher, Pablo}, year={2023} }","ama":"Delarue B, Ioos L, Ramacher P. A Riemann-Roch formula for singular reductions by circle actions. <i>arXiv:230209894</i>. Published online 2023.","mla":"Delarue, Benjamin, et al. “A Riemann-Roch Formula for Singular Reductions by Circle Actions.” <i>ArXiv:2302.09894</i>, 2023."},"type":"preprint","department":[{"_id":"548"}],"external_id":{"arxiv":["2302.09894"]},"date_created":"2024-04-11T12:30:42Z","date_updated":"2024-04-11T12:37:09Z","year":"2023","status":"public","title":"A Riemann-Roch formula for singular reductions by circle actions","author":[{"first_name":"Benjamin","last_name":"Delarue","full_name":"Delarue, Benjamin","id":"70575"},{"full_name":"Ioos, Louis","last_name":"Ioos","first_name":"Louis"},{"last_name":"Ramacher","first_name":"Pablo","full_name":"Ramacher, Pablo"}],"user_id":"70575","_id":"53411","language":[{"iso":"eng"}]},{"_id":"49826","publisher":"IEEE","language":[{"iso":"eng"}],"user_id":"49902","doi":"10.1109/icassp49357.2023.10096241","status":"public","title":"Coupled CP Tensor Decomposition with Shared and Distinct Components for Multi-Task Fmri Data Fusion","year":"2023","author":[{"first_name":"R. A.","last_name":"Borsoi","full_name":"Borsoi, R. A."},{"last_name":"Lehmann","first_name":"Isabell","full_name":"Lehmann, Isabell","id":"49902"},{"full_name":"Akhonda, M. A. B. S.","first_name":"M. A. B. S.","last_name":"Akhonda"},{"full_name":"Calhoun, V. D.","first_name":"V. D.","last_name":"Calhoun"},{"last_name":"Usevich","first_name":"K.","full_name":"Usevich, K."},{"full_name":"Brie, D.","first_name":"D.","last_name":"Brie"},{"last_name":"Adali","first_name":"T.","full_name":"Adali, T."}],"publication_status":"published","date_updated":"2024-04-15T07:37:22Z","date_created":"2023-12-19T07:48:54Z","type":"conference","department":[{"_id":"263"}],"publication":"ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","citation":{"mla":"Borsoi, R. A., et al. “Coupled CP Tensor Decomposition with Shared and Distinct Components for Multi-Task Fmri Data Fusion.” <i>ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)</i>, IEEE, 2023, doi:<a href=\"https://doi.org/10.1109/icassp49357.2023.10096241\">10.1109/icassp49357.2023.10096241</a>.","ama":"Borsoi RA, Lehmann I, Akhonda MABS, et al. Coupled CP Tensor Decomposition with Shared and Distinct Components for Multi-Task Fmri Data Fusion. In: <i>ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)</i>. IEEE; 2023. doi:<a href=\"https://doi.org/10.1109/icassp49357.2023.10096241\">10.1109/icassp49357.2023.10096241</a>","bibtex":"@inproceedings{Borsoi_Lehmann_Akhonda_Calhoun_Usevich_Brie_Adali_2023, title={Coupled CP Tensor Decomposition with Shared and Distinct Components for Multi-Task Fmri Data Fusion}, DOI={<a href=\"https://doi.org/10.1109/icassp49357.2023.10096241\">10.1109/icassp49357.2023.10096241</a>}, booktitle={ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, publisher={IEEE}, author={Borsoi, R. A. and Lehmann, Isabell and Akhonda, M. A. B. S. and Calhoun, V. D. and Usevich, K. and Brie, D. and Adali, T.}, year={2023} }","apa":"Borsoi, R. A., Lehmann, I., Akhonda, M. A. B. S., Calhoun, V. D., Usevich, K., Brie, D., &#38; Adali, T. (2023). Coupled CP Tensor Decomposition with Shared and Distinct Components for Multi-Task Fmri Data Fusion. <i>ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)</i>. <a href=\"https://doi.org/10.1109/icassp49357.2023.10096241\">https://doi.org/10.1109/icassp49357.2023.10096241</a>","ieee":"R. A. Borsoi <i>et al.</i>, “Coupled CP Tensor Decomposition with Shared and Distinct Components for Multi-Task Fmri Data Fusion,” 2023, doi: <a href=\"https://doi.org/10.1109/icassp49357.2023.10096241\">10.1109/icassp49357.2023.10096241</a>.","chicago":"Borsoi, R. A., Isabell Lehmann, M. A. B. S. Akhonda, V. D. Calhoun, K. Usevich, D. Brie, and T. Adali. “Coupled CP Tensor Decomposition with Shared and Distinct Components for Multi-Task Fmri Data Fusion.” In <i>ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)</i>. IEEE, 2023. <a href=\"https://doi.org/10.1109/icassp49357.2023.10096241\">https://doi.org/10.1109/icassp49357.2023.10096241</a>.","short":"R.A. Borsoi, I. Lehmann, M.A.B.S. Akhonda, V.D. Calhoun, K. Usevich, D. Brie, T. Adali, in: ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), IEEE, 2023."}},{"type":"conference","department":[{"_id":"263"}],"date_created":"2024-04-04T15:41:00Z","publication":"2023 57th Asilomar Conference on Signals, Systems, and Computers","citation":{"short":"I. Lehmann, T. Adali, P. Kruizinga, B. Hunyadi, in: 2023 57th Asilomar Conference on Signals, Systems, and Computers, IEEE, 2023.","chicago":"Lehmann, Isabell, Tülay Adali, Pieter Kruizinga, and Borbála Hunyadi. “Deriving 3D Functional Brain Regions from Multi-Slice Functional Ultrasound Data Using ICA and IVA.” In <i>2023 57th Asilomar Conference on Signals, Systems, and Computers</i>. IEEE, 2023. <a href=\"https://doi.org/10.1109/ieeeconf59524.2023.10477081\">https://doi.org/10.1109/ieeeconf59524.2023.10477081</a>.","ieee":"I. Lehmann, T. Adali, P. Kruizinga, and B. Hunyadi, “Deriving 3D Functional Brain Regions from Multi-Slice Functional Ultrasound Data Using ICA and IVA,” 2023, doi: <a href=\"https://doi.org/10.1109/ieeeconf59524.2023.10477081\">10.1109/ieeeconf59524.2023.10477081</a>.","apa":"Lehmann, I., Adali, T., Kruizinga, P., &#38; Hunyadi, B. (2023). Deriving 3D Functional Brain Regions from Multi-Slice Functional Ultrasound Data Using ICA and IVA. <i>2023 57th Asilomar Conference on Signals, Systems, and Computers</i>. <a href=\"https://doi.org/10.1109/ieeeconf59524.2023.10477081\">https://doi.org/10.1109/ieeeconf59524.2023.10477081</a>","bibtex":"@inproceedings{Lehmann_Adali_Kruizinga_Hunyadi_2023, title={Deriving 3D Functional Brain Regions from Multi-Slice Functional Ultrasound Data Using ICA and IVA}, DOI={<a href=\"https://doi.org/10.1109/ieeeconf59524.2023.10477081\">10.1109/ieeeconf59524.2023.10477081</a>}, booktitle={2023 57th Asilomar Conference on Signals, Systems, and Computers}, publisher={IEEE}, author={Lehmann, Isabell and Adali, Tülay and Kruizinga, Pieter and Hunyadi, Borbála}, year={2023} }","ama":"Lehmann I, Adali T, Kruizinga P, Hunyadi B. Deriving 3D Functional Brain Regions from Multi-Slice Functional Ultrasound Data Using ICA and IVA. In: <i>2023 57th Asilomar Conference on Signals, Systems, and Computers</i>. IEEE; 2023. doi:<a href=\"https://doi.org/10.1109/ieeeconf59524.2023.10477081\">10.1109/ieeeconf59524.2023.10477081</a>","mla":"Lehmann, Isabell, et al. “Deriving 3D Functional Brain Regions from Multi-Slice Functional Ultrasound Data Using ICA and IVA.” <i>2023 57th Asilomar Conference on Signals, Systems, and Computers</i>, IEEE, 2023, doi:<a href=\"https://doi.org/10.1109/ieeeconf59524.2023.10477081\">10.1109/ieeeconf59524.2023.10477081</a>."},"doi":"10.1109/ieeeconf59524.2023.10477081","user_id":"49902","_id":"53235","publisher":"IEEE","language":[{"iso":"eng"}],"date_updated":"2024-04-15T07:37:06Z","publication_status":"published","status":"public","title":"Deriving 3D Functional Brain Regions from Multi-Slice Functional Ultrasound Data Using ICA and IVA","year":"2023","author":[{"id":"49902","first_name":"Isabell","last_name":"Lehmann","full_name":"Lehmann, Isabell"},{"last_name":"Adali","first_name":"Tülay","full_name":"Adali, Tülay"},{"last_name":"Kruizinga","first_name":"Pieter","full_name":"Kruizinga, Pieter"},{"first_name":"Borbála","last_name":"Hunyadi","full_name":"Hunyadi, Borbála"}]},{"doi":"10.1145/3592979.3593407","user_id":"3145","_id":"46188","publisher":"ACM","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://dl.acm.org/doi/pdf/10.1145/3592979.3593407"}],"date_updated":"2024-04-17T08:09:39Z","publication_status":"published","author":[{"id":"78722","full_name":"Faj, Jennifer","last_name":"Faj","first_name":"Jennifer"},{"full_name":"Kenter, Tobias","first_name":"Tobias","last_name":"Kenter","id":"3145"},{"full_name":"Faghih-Naini, Sara","first_name":"Sara","last_name":"Faghih-Naini"},{"id":"16153","first_name":"Christian","last_name":"Plessl","orcid":"0000-0001-5728-9982","full_name":"Plessl, Christian"},{"full_name":"Aizinger, Vadym","first_name":"Vadym","last_name":"Aizinger"}],"title":"Scalable Multi-FPGA Design of a Discontinuous Galerkin Shallow-Water Model on Unstructured Meshes","status":"public","year":"2023","department":[{"_id":"27"},{"_id":"518"}],"type":"conference","date_created":"2023-07-28T09:42:14Z","project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"quality_controlled":"1","related_material":{"link":[{"description":"Open Access available via this link.","url":"https://www.sighpc.org/for-our-community/acm-open-tocs/pasc23-open-toc","relation":"other"}]},"citation":{"mla":"Faj, Jennifer, et al. “Scalable Multi-FPGA Design of a Discontinuous Galerkin Shallow-Water Model on Unstructured Meshes.” <i>Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)</i>, ACM, 2023, doi:<a href=\"https://doi.org/10.1145/3592979.3593407\">10.1145/3592979.3593407</a>.","ama":"Faj J, Kenter T, Faghih-Naini S, Plessl C, Aizinger V. Scalable Multi-FPGA Design of a Discontinuous Galerkin Shallow-Water Model on Unstructured Meshes. In: <i>Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)</i>. ACM; 2023. doi:<a href=\"https://doi.org/10.1145/3592979.3593407\">10.1145/3592979.3593407</a>","bibtex":"@inproceedings{Faj_Kenter_Faghih-Naini_Plessl_Aizinger_2023, title={Scalable Multi-FPGA Design of a Discontinuous Galerkin Shallow-Water Model on Unstructured Meshes}, DOI={<a href=\"https://doi.org/10.1145/3592979.3593407\">10.1145/3592979.3593407</a>}, booktitle={Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)}, publisher={ACM}, author={Faj, Jennifer and Kenter, Tobias and Faghih-Naini, Sara and Plessl, Christian and Aizinger, Vadym}, year={2023} }","apa":"Faj, J., Kenter, T., Faghih-Naini, S., Plessl, C., &#38; Aizinger, V. (2023). Scalable Multi-FPGA Design of a Discontinuous Galerkin Shallow-Water Model on Unstructured Meshes. <i>Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)</i>. <a href=\"https://doi.org/10.1145/3592979.3593407\">https://doi.org/10.1145/3592979.3593407</a>","ieee":"J. Faj, T. Kenter, S. Faghih-Naini, C. Plessl, and V. Aizinger, “Scalable Multi-FPGA Design of a Discontinuous Galerkin Shallow-Water Model on Unstructured Meshes,” 2023, doi: <a href=\"https://doi.org/10.1145/3592979.3593407\">10.1145/3592979.3593407</a>.","short":"J. Faj, T. Kenter, S. Faghih-Naini, C. Plessl, V. Aizinger, in: Proceedings of the Platform for Advanced Scientific Computing Conference (PASC), ACM, 2023.","chicago":"Faj, Jennifer, Tobias Kenter, Sara Faghih-Naini, Christian Plessl, and Vadym Aizinger. “Scalable Multi-FPGA Design of a Discontinuous Galerkin Shallow-Water Model on Unstructured Meshes.” In <i>Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)</i>. ACM, 2023. <a href=\"https://doi.org/10.1145/3592979.3593407\">https://doi.org/10.1145/3592979.3593407</a>."},"publication":"Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)"},{"publication_status":"published","date_updated":"2024-04-17T08:10:51Z","author":[{"first_name":"Charles","last_name":"Prouveur","full_name":"Prouveur, Charles"},{"last_name":"Haefele","first_name":"Matthieu","full_name":"Haefele, Matthieu"},{"first_name":"Tobias","last_name":"Kenter","full_name":"Kenter, Tobias","id":"3145"},{"last_name":"Voss","first_name":"Nils","full_name":"Voss, Nils"}],"status":"public","year":"2023","title":"FPGA Acceleration for HPC Supercapacitor Simulations","user_id":"3145","doi":"10.1145/3592979.3593419","_id":"46189","publisher":"ACM","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://dl.acm.org/doi/pdf/10.1145/3592979.3593419"}],"project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"related_material":{"link":[{"description":"Open Access available via this link.","relation":"other","url":" https://www.sighpc.org/for-our-community/acm-open-tocs/pasc23-open-toc "}]},"quality_controlled":"1","citation":{"ieee":"C. Prouveur, M. Haefele, T. Kenter, and N. Voss, “FPGA Acceleration for HPC Supercapacitor Simulations,” 2023, doi: <a href=\"https://doi.org/10.1145/3592979.3593419\">10.1145/3592979.3593419</a>.","apa":"Prouveur, C., Haefele, M., Kenter, T., &#38; Voss, N. (2023). FPGA Acceleration for HPC Supercapacitor Simulations. <i>Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)</i>. <a href=\"https://doi.org/10.1145/3592979.3593419\">https://doi.org/10.1145/3592979.3593419</a>","chicago":"Prouveur, Charles, Matthieu Haefele, Tobias Kenter, and Nils Voss. “FPGA Acceleration for HPC Supercapacitor Simulations.” In <i>Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)</i>. ACM, 2023. <a href=\"https://doi.org/10.1145/3592979.3593419\">https://doi.org/10.1145/3592979.3593419</a>.","short":"C. Prouveur, M. Haefele, T. Kenter, N. Voss, in: Proceedings of the Platform for Advanced Scientific Computing Conference (PASC), ACM, 2023.","mla":"Prouveur, Charles, et al. “FPGA Acceleration for HPC Supercapacitor Simulations.” <i>Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)</i>, ACM, 2023, doi:<a href=\"https://doi.org/10.1145/3592979.3593419\">10.1145/3592979.3593419</a>.","bibtex":"@inproceedings{Prouveur_Haefele_Kenter_Voss_2023, title={FPGA Acceleration for HPC Supercapacitor Simulations}, DOI={<a href=\"https://doi.org/10.1145/3592979.3593419\">10.1145/3592979.3593419</a>}, booktitle={Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)}, publisher={ACM}, author={Prouveur, Charles and Haefele, Matthieu and Kenter, Tobias and Voss, Nils}, year={2023} }","ama":"Prouveur C, Haefele M, Kenter T, Voss N. FPGA Acceleration for HPC Supercapacitor Simulations. In: <i>Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)</i>. ACM; 2023. doi:<a href=\"https://doi.org/10.1145/3592979.3593419\">10.1145/3592979.3593419</a>"},"publication":"Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)","department":[{"_id":"27"},{"_id":"518"}],"type":"conference","date_created":"2023-07-28T09:46:25Z"},{"abstract":[{"lang":"eng","text":"<jats:title>Abstract</jats:title><jats:p>We study harmonic maps from a subset of the complex plane to a subset of the hyperbolic plane. In Fotiadis and Daskaloyannis (Nonlinear Anal 214, 112546, 2022), harmonic maps are related to the sinh-Gordon equation and a Bäcklund transformation is introduced, which connects solutions of the sinh-Gordon and sine-Gordon equation. We develop this machinery in order to construct new harmonic maps to the hyperbolic plane.</jats:p>"}],"publication":"Revista Matemática Complutense","citation":{"apa":"Polychrou, G., Papageorgiou, E., Fotiadis, A., &#38; Daskaloyannis, C. (2023). New examples of harmonic maps to the hyperbolic plane via Bäcklund transformation. <i>Revista Matemática Complutense</i>. <a href=\"https://doi.org/10.1007/s13163-023-00476-z\">https://doi.org/10.1007/s13163-023-00476-z</a>","ieee":"G. Polychrou, E. Papageorgiou, A. Fotiadis, and C. Daskaloyannis, “New examples of harmonic maps to the hyperbolic plane via Bäcklund transformation,” <i>Revista Matemática Complutense</i>, 2023, doi: <a href=\"https://doi.org/10.1007/s13163-023-00476-z\">10.1007/s13163-023-00476-z</a>.","short":"G. Polychrou, E. Papageorgiou, A. Fotiadis, C. Daskaloyannis, Revista Matemática Complutense (2023).","chicago":"Polychrou, G., Efthymia Papageorgiou, A. Fotiadis, and C. Daskaloyannis. “New Examples of Harmonic Maps to the Hyperbolic Plane via Bäcklund Transformation.” <i>Revista Matemática Complutense</i>, 2023. <a href=\"https://doi.org/10.1007/s13163-023-00476-z\">https://doi.org/10.1007/s13163-023-00476-z</a>.","mla":"Polychrou, G., et al. “New Examples of Harmonic Maps to the Hyperbolic Plane via Bäcklund Transformation.” <i>Revista Matemática Complutense</i>, Springer Science and Business Media LLC, 2023, doi:<a href=\"https://doi.org/10.1007/s13163-023-00476-z\">10.1007/s13163-023-00476-z</a>.","ama":"Polychrou G, Papageorgiou E, Fotiadis A, Daskaloyannis C. New examples of harmonic maps to the hyperbolic plane via Bäcklund transformation. <i>Revista Matemática Complutense</i>. Published online 2023. doi:<a href=\"https://doi.org/10.1007/s13163-023-00476-z\">10.1007/s13163-023-00476-z</a>","bibtex":"@article{Polychrou_Papageorgiou_Fotiadis_Daskaloyannis_2023, title={New examples of harmonic maps to the hyperbolic plane via Bäcklund transformation}, DOI={<a href=\"https://doi.org/10.1007/s13163-023-00476-z\">10.1007/s13163-023-00476-z</a>}, journal={Revista Matemática Complutense}, publisher={Springer Science and Business Media LLC}, author={Polychrou, G. and Papageorgiou, Efthymia and Fotiadis, A. and Daskaloyannis, C.}, year={2023} }"},"keyword":["General Mathematics"],"type":"journal_article","department":[{"_id":"555"}],"date_created":"2024-04-17T13:15:07Z","date_updated":"2024-04-17T13:15:51Z","publication_status":"published","status":"public","year":"2023","title":"New examples of harmonic maps to the hyperbolic plane via Bäcklund transformation","publication_identifier":{"issn":["1139-1138","1988-2807"]},"author":[{"last_name":"Polychrou","first_name":"G.","full_name":"Polychrou, G."},{"id":"100325","first_name":"Efthymia","last_name":"Papageorgiou","full_name":"Papageorgiou, Efthymia"},{"full_name":"Fotiadis, A.","last_name":"Fotiadis","first_name":"A."},{"last_name":"Daskaloyannis","first_name":"C.","full_name":"Daskaloyannis, C."}],"doi":"10.1007/s13163-023-00476-z","user_id":"100325","language":[{"iso":"eng"}],"_id":"53538","publisher":"Springer Science and Business Media LLC"},{"publication":"IEEE Transactions on Automation Science and Engineering","citation":{"ama":"Winkel F, Scholz P, Wallscheid O, Böcker J. Reducing Contact Bouncing of a Relay by Optimizing the Switch Signal During Run-Time. <i>IEEE Transactions on Automation Science and Engineering</i>. 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Wallscheid, J. Böcker, IEEE Transactions on Automation Science and Engineering (2023) 1–11.","chicago":"Winkel, Fabian, Peter Scholz, Oliver Wallscheid, and Joachim Böcker. “Reducing Contact Bouncing of a Relay by Optimizing the Switch Signal During Run-Time.” <i>IEEE Transactions on Automation Science and Engineering</i>, 2023, 1–11. <a href=\"https://doi.org/10.1109/tase.2023.3322762\">https://doi.org/10.1109/tase.2023.3322762</a>.","apa":"Winkel, F., Scholz, P., Wallscheid, O., &#38; Böcker, J. (2023). Reducing Contact Bouncing of a Relay by Optimizing the Switch Signal During Run-Time. <i>IEEE Transactions on Automation Science and Engineering</i>, 1–11. <a href=\"https://doi.org/10.1109/tase.2023.3322762\">https://doi.org/10.1109/tase.2023.3322762</a>","ieee":"F. Winkel, P. Scholz, O. Wallscheid, and J. 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Geometrie: Leitidee Raum und Form. In: <i>Handbuch Der Mathematikdidaktik</i>. Springer; 2023:201–242. doi:<a href=\"https://doi.org/10.1007/978-3-662-66604-3_7\">10.1007/978-3-662-66604-3_7</a>","bibtex":"@inbook{Hattermann_Rezat_Sträßer_2023, place={Berlin, Heidelberg}, title={Geometrie: Leitidee Raum und Form}, DOI={<a href=\"https://doi.org/10.1007/978-3-662-66604-3_7\">10.1007/978-3-662-66604-3_7</a>}, booktitle={Handbuch der Mathematikdidaktik}, publisher={Springer}, author={Hattermann, Mathias and Rezat, Sebastian and Sträßer, Rudolf}, year={2023}, pages={201–242} }","apa":"Hattermann, M., Rezat, S., &#38; Sträßer, R. (2023). Geometrie: Leitidee Raum und Form. In <i>Handbuch der Mathematikdidaktik</i> (pp. 201–242). Springer. <a href=\"https://doi.org/10.1007/978-3-662-66604-3_7\">https://doi.org/10.1007/978-3-662-66604-3_7</a>","ieee":"M. Hattermann, S. Rezat, and R. Sträßer, “Geometrie: Leitidee Raum und Form,” in <i>Handbuch der Mathematikdidaktik</i>, Berlin, Heidelberg: Springer, 2023, pp. 201–242.","short":"M. Hattermann, S. Rezat, R. Sträßer, in: Handbuch Der Mathematikdidaktik, Springer, Berlin, Heidelberg, 2023, pp. 201–242.","chicago":"Hattermann, Mathias, Sebastian Rezat, and Rudolf Sträßer. “Geometrie: Leitidee Raum Und Form.” In <i>Handbuch Der Mathematikdidaktik</i>, 201–242. Berlin, Heidelberg: Springer, 2023. <a href=\"https://doi.org/10.1007/978-3-662-66604-3_7\">https://doi.org/10.1007/978-3-662-66604-3_7</a>."},"publication":"Handbuch der Mathematikdidaktik","department":[{"_id":"360"}],"type":"book_chapter","date_created":"2023-09-11T06:30:49Z","place":"Berlin, Heidelberg"},{"article_type":"original","date_updated":"2024-04-18T09:01:29Z","publication_status":"published","publication_identifier":{"issn":["1863-9690","1863-9704"]},"author":[{"full_name":"Hoffmann, Max","last_name":"Hoffmann","first_name":"Max","orcid":"0000-0002-6964-7123","id":"32202"},{"id":"16274","first_name":"Rolf","last_name":"Biehler","full_name":"Biehler, Rolf"}],"year":"2023","title":"Implementing profession orientation as a design principle for overcoming Klein’s second discontinuity – preservice teacher’s perspectives on interface activities in the context of a geometry course","doi":"10.1007/s11858-023-01505-3","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://link.springer.com/article/10.1007/s11858-023-01505-3","open_access":"1"}],"abstract":[{"lang":"eng","text":"Intending to counteract Klein’s second discontinuity in teacher education, we explored and applied the innovation of “interface ePortfolio” in the context of a geometry course for preservice teachers (PSTs). The tool offers the possibility of implementing the design principle of profession orientation. In the article, we theoretically clarify what we understand by this principle and locate our innovative concept against this theoretical background. We empirically investigate the extent to which counteraction against the second discontinuity is successful by analyzing reflection texts created in the interface ePortfolio, focusing on PSTs’ perspectives. Our qualitative content analysis shows that most of them perceive the innovation as helpful in the intended sense and indicates that the course concept, in general, and the interface ePortfolio, in particular, have helped establish relevant links between the course content and their later work as teachers."}],"publication":"ZDM – Mathematics Education","department":[{"_id":"643"}],"keyword":["General Mathematics","Education"],"type":"journal_article","date_created":"2023-06-27T11:45:25Z","file":[{"date_created":"2023-07-13T09:40:02Z","creator":"maxh","success":1,"content_type":"application/pdf","file_id":"46041","date_updated":"2023-07-13T09:40:02Z","relation":"main_file","file_size":1460246,"access_level":"closed","file_name":"s11858-023-01505-3.pdf"}],"has_accepted_license":"1","status":"public","ddc":["510","370"],"user_id":"37888","_id":"45786","publisher":"Springer","quality_controlled":"1","citation":{"mla":"Hoffmann, Max, and Rolf Biehler. “Implementing Profession Orientation as a Design Principle for Overcoming Klein’s Second Discontinuity – Preservice Teacher’s Perspectives on Interface Activities in the Context of a Geometry Course.” <i>ZDM – Mathematics Education</i>, Springer, 2023, doi:<a href=\"https://doi.org/10.1007/s11858-023-01505-3\">10.1007/s11858-023-01505-3</a>.","bibtex":"@article{Hoffmann_Biehler_2023, title={Implementing profession orientation as a design principle for overcoming Klein’s second discontinuity – preservice teacher’s perspectives on interface activities in the context of a geometry course}, DOI={<a href=\"https://doi.org/10.1007/s11858-023-01505-3\">10.1007/s11858-023-01505-3</a>}, journal={ZDM – Mathematics Education}, publisher={Springer}, author={Hoffmann, Max and Biehler, Rolf}, year={2023} }","ama":"Hoffmann M, Biehler R. Implementing profession orientation as a design principle for overcoming Klein’s second discontinuity – preservice teacher’s perspectives on interface activities in the context of a geometry course. <i>ZDM – Mathematics Education</i>. Published online 2023. doi:<a href=\"https://doi.org/10.1007/s11858-023-01505-3\">10.1007/s11858-023-01505-3</a>","ieee":"M. Hoffmann and R. Biehler, “Implementing profession orientation as a design principle for overcoming Klein’s second discontinuity – preservice teacher’s perspectives on interface activities in the context of a geometry course,” <i>ZDM – Mathematics Education</i>, 2023, doi: <a href=\"https://doi.org/10.1007/s11858-023-01505-3\">10.1007/s11858-023-01505-3</a>.","apa":"Hoffmann, M., &#38; Biehler, R. (2023). Implementing profession orientation as a design principle for overcoming Klein’s second discontinuity – preservice teacher’s perspectives on interface activities in the context of a geometry course. <i>ZDM – Mathematics Education</i>. <a href=\"https://doi.org/10.1007/s11858-023-01505-3\">https://doi.org/10.1007/s11858-023-01505-3</a>","short":"M. Hoffmann, R. Biehler, ZDM – Mathematics Education (2023).","chicago":"Hoffmann, Max, and Rolf Biehler. “Implementing Profession Orientation as a Design Principle for Overcoming Klein’s Second Discontinuity – Preservice Teacher’s Perspectives on Interface Activities in the Context of a Geometry Course.” <i>ZDM – Mathematics Education</i>, 2023. <a href=\"https://doi.org/10.1007/s11858-023-01505-3\">https://doi.org/10.1007/s11858-023-01505-3</a>."},"file_date_updated":"2023-07-13T09:40:02Z","oa":"1"}]