[{"user_id":"15504","doi":"10.1007/s00446-023-00443-3","volume":36,"page":"159–192","_id":"46467","language":[{"iso":"eng"}],"date_updated":"2024-07-05T07:01:06Z","intvolume":"        36","year":"2023","title":"The canonical amoebot model: algorithms and concurrency control","status":"public","author":[{"full_name":"Daymude, Joshua J.","last_name":"Daymude","first_name":"Joshua J."},{"first_name":"Andréa W.","last_name":"Richa","full_name":"Richa, Andréa W."},{"full_name":"Scheideler, Christian","first_name":"Christian","last_name":"Scheideler","id":"20792"}],"type":"journal_article","department":[{"_id":"79"}],"date_created":"2023-08-10T05:34:08Z","issue":"2","publication":"Distributed Comput.","citation":{"chicago":"Daymude, Joshua J., Andréa W. Richa, and Christian Scheideler. “The Canonical Amoebot Model: Algorithms and Concurrency Control.” <i>Distributed Comput.</i> 36, no. 2 (2023): 159–192. <a href=\"https://doi.org/10.1007/s00446-023-00443-3\">https://doi.org/10.1007/s00446-023-00443-3</a>.","short":"J.J. Daymude, A.W. Richa, C. Scheideler, Distributed Comput. 36 (2023) 159–192.","apa":"Daymude, J. J., Richa, A. W., &#38; Scheideler, C. (2023). The canonical amoebot model: algorithms and concurrency control. <i>Distributed Comput.</i>, <i>36</i>(2), 159–192. <a href=\"https://doi.org/10.1007/s00446-023-00443-3\">https://doi.org/10.1007/s00446-023-00443-3</a>","ieee":"J. J. Daymude, A. W. Richa, and C. Scheideler, “The canonical amoebot model: algorithms and concurrency control,” <i>Distributed Comput.</i>, vol. 36, no. 2, pp. 159–192, 2023, doi: <a href=\"https://doi.org/10.1007/s00446-023-00443-3\">10.1007/s00446-023-00443-3</a>.","ama":"Daymude JJ, Richa AW, Scheideler C. The canonical amoebot model: algorithms and concurrency control. <i>Distributed Comput</i>. 2023;36(2):159–192. doi:<a href=\"https://doi.org/10.1007/s00446-023-00443-3\">10.1007/s00446-023-00443-3</a>","bibtex":"@article{Daymude_Richa_Scheideler_2023, title={The canonical amoebot model: algorithms and concurrency control}, volume={36}, DOI={<a href=\"https://doi.org/10.1007/s00446-023-00443-3\">10.1007/s00446-023-00443-3</a>}, number={2}, journal={Distributed Comput.}, author={Daymude, Joshua J. and Richa, Andréa W. and Scheideler, Christian}, year={2023}, pages={159–192} }","mla":"Daymude, Joshua J., et al. “The Canonical Amoebot Model: Algorithms and Concurrency Control.” <i>Distributed Comput.</i>, vol. 36, no. 2, 2023, pp. 159–192, doi:<a href=\"https://doi.org/10.1007/s00446-023-00443-3\">10.1007/s00446-023-00443-3</a>."}},{"page":"247","_id":"45863","publisher":"Heinz Nixdorf Institut, Universität Paderborn","ddc":["000"],"user_id":"1112","volume":412,"status":"public","has_accepted_license":"1","place":"Paderborn","oa":"1","file_date_updated":"2023-07-05T07:19:14Z","citation":{"ieee":"C.-J. Haake, F. Meyer auf der Heide, M. Platzner, H. Wachsmuth, and H. Wehrheim, <i>On-The-Fly Computing -- Individualized IT-services in dynamic markets</i>, vol. 412. Paderborn: Heinz Nixdorf Institut, Universität Paderborn, 2023.","mla":"Haake, Claus-Jochen, et al. <i>On-The-Fly Computing -- Individualized IT-Services in Dynamic Markets</i>. Heinz Nixdorf Institut, Universität Paderborn, 2023, doi:<a href=\"https://doi.org/10.17619/UNIPB/1-1797\">10.17619/UNIPB/1-1797</a>.","apa":"Haake, C.-J., Meyer auf der Heide, F., Platzner, M., Wachsmuth, H., &#38; Wehrheim, H. (2023). <i>On-The-Fly Computing -- Individualized IT-services in dynamic markets</i> (Vol. 412). Heinz Nixdorf Institut, Universität Paderborn. <a href=\"https://doi.org/10.17619/UNIPB/1-1797\">https://doi.org/10.17619/UNIPB/1-1797</a>","bibtex":"@book{Haake_Meyer auf der Heide_Platzner_Wachsmuth_Wehrheim_2023, place={Paderborn}, series={Verlagsschriftenreihe des Heinz Nixdorf Instituts}, title={On-The-Fly Computing -- Individualized IT-services in dynamic markets}, volume={412}, DOI={<a href=\"https://doi.org/10.17619/UNIPB/1-1797\">10.17619/UNIPB/1-1797</a>}, publisher={Heinz Nixdorf Institut, Universität Paderborn}, author={Haake, Claus-Jochen and Meyer auf der Heide, Friedhelm and Platzner, Marco and Wachsmuth, Henning and Wehrheim, Heike}, year={2023}, collection={Verlagsschriftenreihe des Heinz Nixdorf Instituts} }","short":"C.-J. Haake, F. Meyer auf der Heide, M. Platzner, H. Wachsmuth, H. Wehrheim, On-The-Fly Computing -- Individualized IT-Services in Dynamic Markets, Heinz Nixdorf Institut, Universität Paderborn, Paderborn, 2023.","ama":"Haake C-J, Meyer auf der Heide F, Platzner M, Wachsmuth H, Wehrheim H. <i>On-The-Fly Computing -- Individualized IT-Services in Dynamic Markets</i>. Vol 412. Heinz Nixdorf Institut, Universität Paderborn; 2023. doi:<a href=\"https://doi.org/10.17619/UNIPB/1-1797\">10.17619/UNIPB/1-1797</a>","chicago":"Haake, Claus-Jochen, Friedhelm Meyer auf der Heide, Marco Platzner, Henning Wachsmuth, and Heike Wehrheim. <i>On-The-Fly Computing -- Individualized IT-Services in Dynamic Markets</i>. Vol. 412. Verlagsschriftenreihe Des Heinz Nixdorf Instituts. Paderborn: Heinz Nixdorf Institut, Universität Paderborn, 2023. <a href=\"https://doi.org/10.17619/UNIPB/1-1797\">https://doi.org/10.17619/UNIPB/1-1797</a>."},"project":[{"_id":"1","grant_number":"160364472","name":"SFB 901: SFB 901: On-The-Fly Computing - Individualisierte IT-Dienstleistungen in dynamischen Märkten "},{"name":"SFB 901 - A: SFB 901 - Project Area A","_id":"2"},{"_id":"3","name":"SFB 901 - B: SFB 901 - Project Area B"},{"_id":"4","name":"SFB 901 - C: SFB 901 - Project Area C"},{"_id":"82","name":"SFB 901 - T: SFB 901 - Project Area T"},{"_id":"5","grant_number":"160364472","name":"SFB 901 - A1: SFB 901 - Möglichkeiten und Grenzen lokaler Strategien in dynamischen Netzen (Subproject A1)"},{"grant_number":"160364472","_id":"7","name":"SFB 901 - A3: SFB 901 - Der Markt für Services: Anreize, Algorithmen, Implementation (Subproject A3)"},{"_id":"8","grant_number":"160364472","name":"SFB 901 - A4: SFB 901 - Empirische Analysen in Märkten für OTF Dienstleistungen (Subproject A4)"},{"grant_number":"160364472","_id":"9","name":"SFB 901 - B1: SFB 901 - Parametrisierte Servicespezifikation (Subproject B1)"},{"name":"SFB 901 - B2: Konfiguration und Bewertung (B02)","_id":"10","grant_number":"160364472"},{"name":"SFB 901 - B3: SFB 901 - Subproject B3","_id":"11"},{"name":"SFB 901 - B4: SFB 901 - Subproject B4","_id":"12"},{"_id":"13","grant_number":"160364472","name":"SFB 901 - C1: SFB 901 - Subproject C1"},{"_id":"14","grant_number":"160364472","name":"SFB 901 - C2: SFB 901 - On-The-Fly Compute Centers I: Heterogene Ausführungsumgebungen (Subproject C2)"},{"grant_number":"160364472","_id":"16","name":"SFB 901 - C4: SFB 901 - On-The-Fly Compute Centers II: Ausführung komponierter Dienste in konfigurierbaren Rechenzentren (Subproject C4)"},{"_id":"17","name":"SFB 901 - C5: SFB 901 - Subproject C5"},{"name":"SFB 901 - T1: SFB 901 -Subproject T1","_id":"83"},{"name":"SFB 901 - T2: SFB 901 -Subproject T2","grant_number":"160364472","_id":"84"}],"language":[{"iso":"eng"}],"series_title":"Verlagsschriftenreihe des Heinz Nixdorf Instituts","doi":"10.17619/UNIPB/1-1797","alternative_title":["Collaborative Research Centre 901 (2011 – 2023)"],"year":"2023","title":"On-The-Fly Computing -- Individualized IT-services in dynamic markets","author":[{"first_name":"Claus-Jochen","last_name":"Haake","full_name":"Haake, Claus-Jochen","id":"20801"},{"id":"15523","first_name":"Friedhelm","last_name":"Meyer auf der Heide","full_name":"Meyer auf der Heide, Friedhelm"},{"id":"398","first_name":"Marco","last_name":"Platzner","full_name":"Platzner, Marco"},{"id":"3900","full_name":"Wachsmuth, Henning","first_name":"Henning","last_name":"Wachsmuth"},{"id":"573","first_name":"Heike","last_name":"Wehrheim","full_name":"Wehrheim, Heike"}],"publication_identifier":{"unknown":["978-3-947647-31-6"]},"date_updated":"2024-07-12T12:07:59Z","intvolume":"       412","file":[{"date_created":"2023-07-05T07:15:55Z","creator":"ups","file_id":"45864","content_type":"application/pdf","relation":"main_file","date_updated":"2023-07-05T07:19:14Z","file_name":"SFB-Buch-Final.pdf","access_level":"open_access","file_size":15480050}],"date_created":"2023-07-05T07:16:51Z","type":"book","department":[{"_id":"7"},{"_id":"78"},{"_id":"26"}],"abstract":[{"lang":"eng","text":"In the proposal for our CRC in 2011, we formulated a vision of markets for\r\nIT services that describes an approach to the provision of such services\r\nthat was novel at that time and, to a large extent, remains so today:\r\n„Our vision of on-the-fly computing is that of IT services individually and\r\nautomatically configured and brought to execution from flexibly combinable\r\nservices traded on markets. At the same time, we aim at organizing\r\nmarkets whose participants maintain a lively market of services through\r\nappropriate entrepreneurial actions.“\r\nOver the last 12 years, we have developed methods and techniques to\r\naddress problems critical to the convenient, efficient, and secure use of\r\non-the-fly computing. Among other things, we have made the description\r\nof services more convenient by allowing natural language input,\r\nincreased the quality of configured services through (natural language)\r\ninteraction and more efficient configuration processes and analysis\r\nprocedures, made the quality of (the products of) providers in the\r\nmarketplace transparent through reputation systems, and increased the\r\nresource efficiency of execution through reconfigurable heterogeneous\r\ncomputing nodes and an integrated treatment of service description and\r\nconfiguration. We have also developed network infrastructures that have\r\na high degree of adaptivity, scalability, efficiency, and reliability, and\r\nprovide cryptographic guarantees of anonymity and security for market\r\nparticipants and their products and services.\r\nTo demonstrate the pervasiveness of the OTF computing approach, we\r\nhave implemented a proof-of-concept for OTF computing that can run\r\ntypical scenarios of an OTF market. We illustrated the approach using\r\na cutting-edge application scenario – automated machine learning (AutoML).\r\nFinally, we have been pushing our work for the perpetuation of\r\nOn-The-Fly Computing beyond the SFB and sharing the expertise gained\r\nin the SFB in events with industry partners as well as transfer projects.\r\nThis work required a broad spectrum of expertise. Computer scientists\r\nand economists with research interests such as computer networks and\r\ndistributed algorithms, security and cryptography, software engineering\r\nand verification, configuration and machine learning, computer engineering\r\nand HPC, microeconomics and game theory, business informatics\r\nand management have successfully collaborated here."}]},{"doi":"10.1016/j.photonics.2023.101207","language":[{"iso":"eng"}],"intvolume":"        58","date_updated":"2024-07-22T07:44:33Z","publication_status":"published","author":[{"orcid":"0000-0001-7730-3489","first_name":"Henna","last_name":"Farheen","full_name":"Farheen, Henna","id":"53444"},{"full_name":"Strauch, Andreas","first_name":"Andreas","last_name":"Strauch"},{"full_name":"Scheytt, J. Christoph","first_name":"J. Christoph","last_name":"Scheytt","orcid":"0000-0002-5950-6618 ","id":"37144"},{"id":"46371","first_name":"Viktor","last_name":"Myroshnychenko","full_name":"Myroshnychenko, Viktor"},{"id":"158","full_name":"Förstner, Jens","first_name":"Jens","last_name":"Förstner","orcid":"0000-0001-7059-9862"}],"publication_identifier":{"issn":["1569-4410"]},"title":"Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays","year":"2023","department":[{"_id":"61"},{"_id":"230"},{"_id":"429"},{"_id":"58"}],"type":"journal_article","keyword":["tet_topic_opticalantenna"],"date_created":"2023-12-21T09:30:03Z","file":[{"file_id":"50013","content_type":"application/pdf","relation":"main_file","date_updated":"2023-12-21T09:34:17Z","file_name":"2ß23-12 Farheen - PNFA - Optimized, highly efficient silicon antennas for optical phased arrays.pdf","access_level":"open_access","file_size":3339442,"date_created":"2023-12-21T09:34:17Z","creator":"fossie"}],"related_material":{"link":[{"url":"https://doi.org/10.5281/zenodo.10044122","relation":"research_data"}]},"abstract":[{"lang":"eng","text":"Silicon photonics, in conjunction with complementary metal-oxide-semiconductor (CMOS) fabrication, has greatly enhanced the development of integrated optical phased arrays. This facilitates a dynamic control of light in a compact form factor that enables the synthesis of arbitrary complex wavefronts in the infrared spectrum. We numerically 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 elegant radiation patterns in the far-field. For a wavelength of 1.55 μm, we optimize two antennas for the OPA exhibiting an upward radiation efficiency as high as 90%, with almost 6.8% of optical power concentrated in the field of view. Additionally, we believe that the proposed OPAs can be easily fabricated and would have the ability to generate 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."}],"publication":"Photonics and Nanostructures - Fundamentals and Applications","volume":58,"ddc":["530"],"user_id":"158","_id":"50012","publisher":"Elsevier BV","page":"101207","has_accepted_license":"1","status":"public","oa":"1","project":[{"name":"PhoQC: PhoQC: Photonisches Quantencomputing","grant_number":"PROFILNRW-2020-067","_id":"266"},{"grant_number":"231447078","_id":"167","name":"TRR 142 - B06: TRR 142 - Ultraschnelle kohärente opto-elektronische Kontrolle eines photonischen Quantensystems (B06*)"},{"name":"TRR 142 - B: TRR 142 - Project Area B","_id":"55"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"citation":{"mla":"Farheen, Henna, et al. “Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays.” <i>Photonics and Nanostructures - Fundamentals and Applications</i>, vol. 58, Elsevier BV, 2023, p. 101207, doi:<a href=\"https://doi.org/10.1016/j.photonics.2023.101207\">10.1016/j.photonics.2023.101207</a>.","ama":"Farheen H, Strauch A, Scheytt JC, Myroshnychenko V, Förstner J. Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays. <i>Photonics and Nanostructures - Fundamentals and Applications</i>. 2023;58:101207. doi:<a href=\"https://doi.org/10.1016/j.photonics.2023.101207\">10.1016/j.photonics.2023.101207</a>","bibtex":"@article{Farheen_Strauch_Scheytt_Myroshnychenko_Förstner_2023, title={Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays}, volume={58}, DOI={<a href=\"https://doi.org/10.1016/j.photonics.2023.101207\">10.1016/j.photonics.2023.101207</a>}, journal={Photonics and Nanostructures - Fundamentals and Applications}, publisher={Elsevier BV}, author={Farheen, Henna and Strauch, Andreas and Scheytt, J. Christoph and Myroshnychenko, Viktor and Förstner, Jens}, year={2023}, pages={101207} }","apa":"Farheen, H., Strauch, A., Scheytt, J. C., Myroshnychenko, V., &#38; Förstner, J. (2023). Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays. <i>Photonics and Nanostructures - Fundamentals and Applications</i>, <i>58</i>, 101207. <a href=\"https://doi.org/10.1016/j.photonics.2023.101207\">https://doi.org/10.1016/j.photonics.2023.101207</a>","ieee":"H. Farheen, A. Strauch, J. C. Scheytt, V. Myroshnychenko, and J. Förstner, “Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays,” <i>Photonics and Nanostructures - Fundamentals and Applications</i>, vol. 58, p. 101207, 2023, doi: <a href=\"https://doi.org/10.1016/j.photonics.2023.101207\">10.1016/j.photonics.2023.101207</a>.","short":"H. Farheen, A. Strauch, J.C. Scheytt, V. Myroshnychenko, J. Förstner, Photonics and Nanostructures - Fundamentals and Applications 58 (2023) 101207.","chicago":"Farheen, Henna, Andreas Strauch, J. Christoph Scheytt, Viktor Myroshnychenko, and Jens Förstner. “Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays.” <i>Photonics and Nanostructures - Fundamentals and Applications</i> 58 (2023): 101207. <a href=\"https://doi.org/10.1016/j.photonics.2023.101207\">https://doi.org/10.1016/j.photonics.2023.101207</a>."},"file_date_updated":"2023-12-21T09:34:17Z"},{"has_accepted_license":"1","status":"public","ddc":["530"],"user_id":"158","volume":40,"page":"862","publisher":"Optica Publishing Group","_id":"43245","project":[{"grant_number":"231447078","_id":"53","name":"TRR 142: TRR 142"},{"name":"TRR 142 - B: TRR 142 - Project Area B","_id":"55"},{"name":"TRR 142 - B06: TRR 142 - Subproject B06","_id":"167","grant_number":"231447078"}],"file_date_updated":"2023-03-31T13:14:59Z","citation":{"mla":"Hammer, Manfred, et al. “How to Suppress Radiative Losses in High-Contrast Integrated Bragg Gratings.” <i>Journal of the Optical Society of America B</i>, vol. 40, no. 4, Optica Publishing Group, 2023, p. 862, doi:<a href=\"https://doi.org/10.1364/josab.485725\">10.1364/josab.485725</a>.","ama":"Hammer M, Farheen H, Förstner J. How to suppress radiative losses in high-contrast integrated Bragg gratings. <i>Journal of the Optical Society of America B</i>. 2023;40(4):862. doi:<a href=\"https://doi.org/10.1364/josab.485725\">10.1364/josab.485725</a>","bibtex":"@article{Hammer_Farheen_Förstner_2023, title={How to suppress radiative losses in high-contrast integrated Bragg gratings}, volume={40}, DOI={<a href=\"https://doi.org/10.1364/josab.485725\">10.1364/josab.485725</a>}, 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} }","apa":"Hammer, M., Farheen, H., &#38; Förstner, J. (2023). How to suppress radiative losses in high-contrast integrated Bragg gratings. <i>Journal of the Optical Society of America B</i>, <i>40</i>(4), 862. <a href=\"https://doi.org/10.1364/josab.485725\">https://doi.org/10.1364/josab.485725</a>","ieee":"M. Hammer, H. Farheen, and J. Förstner, “How to suppress radiative losses in high-contrast integrated Bragg gratings,” <i>Journal of the Optical Society of America B</i>, vol. 40, no. 4, p. 862, 2023, doi: <a href=\"https://doi.org/10.1364/josab.485725\">10.1364/josab.485725</a>.","short":"M. Hammer, H. Farheen, J. Förstner, Journal of the Optical Society of America B 40 (2023) 862.","chicago":"Hammer, Manfred, Henna Farheen, and Jens Förstner. “How to Suppress Radiative Losses in High-Contrast Integrated Bragg Gratings.” <i>Journal of the Optical Society of America B</i> 40, no. 4 (2023): 862. <a href=\"https://doi.org/10.1364/josab.485725\">https://doi.org/10.1364/josab.485725</a>."},"oa":"1","date_updated":"2024-07-22T07:44:38Z","publication_status":"published","intvolume":"        40","year":"2023","title":"How to suppress radiative losses in high-contrast integrated Bragg gratings","author":[{"first_name":"Manfred","orcid":"0000-0002-6331-9348","last_name":"Hammer","full_name":"Hammer, Manfred","id":"48077"},{"full_name":"Farheen, Henna","orcid":"0000-0001-7730-3489","last_name":"Farheen","first_name":"Henna","id":"53444"},{"id":"158","full_name":"Förstner, Jens","last_name":"Förstner","orcid":"0000-0001-7059-9862","first_name":"Jens"}],"publication_identifier":{"issn":["0740-3224","1520-8540"]},"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."}],"publication":"Journal of the Optical Society of America B","issue":"4","type":"journal_article","keyword":["tet_topic_waveguide"],"department":[{"_id":"61"},{"_id":"230"},{"_id":"429"}],"file":[{"file_id":"43247","content_type":"application/pdf","relation":"main_file","date_updated":"2023-03-31T13:14:59Z","file_name":"ogr-afterreview.pdf","access_level":"open_access","file_size":1982311,"date_created":"2023-03-31T13:14:59Z","creator":"fossie"}],"date_created":"2023-03-31T13:04:43Z"},{"citation":{"apa":"Farheen, H., Strauch, A., Scheytt, J. C., Myroshnychenko, V., &#38; Förstner, J. (2023). Optimized silicon antennas for optical phased arrays. In S. M. García-Blanco &#38; P. Cheben (Eds.), <i>Integrated Optics: Devices, Materials, and Technologies XXVII</i> (p. 124241D). SPIE. <a href=\"https://doi.org/10.1117/12.2658716\">https://doi.org/10.1117/12.2658716</a>","ieee":"H. Farheen, A. Strauch, J. C. Scheytt, V. Myroshnychenko, and J. Förstner, “Optimized silicon antennas for optical phased arrays,” in <i>Integrated Optics: Devices, Materials, and Technologies XXVII</i>, 2023, p. 124241D, doi: <a href=\"https://doi.org/10.1117/12.2658716\">10.1117/12.2658716</a>.","short":"H. Farheen, A. Strauch, J.C. Scheytt, V. Myroshnychenko, J. Förstner, in: S.M. García-Blanco, P. Cheben (Eds.), Integrated Optics: Devices, Materials, and Technologies XXVII, SPIE, 2023, p. 124241D.","chicago":"Farheen, Henna, Andreas Strauch, J. Christoph Scheytt, Viktor Myroshnychenko, and Jens Förstner. “Optimized Silicon Antennas for Optical Phased Arrays.” In <i>Integrated Optics: Devices, Materials, and Technologies XXVII</i>, edited by Sonia M. García-Blanco and Pavel Cheben, 124241D. SPIE, 2023. <a href=\"https://doi.org/10.1117/12.2658716\">https://doi.org/10.1117/12.2658716</a>.","mla":"Farheen, Henna, et al. “Optimized Silicon Antennas for Optical Phased Arrays.” <i>Integrated Optics: Devices, Materials, and Technologies XXVII</i>, edited by Sonia M. García-Blanco and Pavel Cheben, SPIE, 2023, p. 124241D, doi:<a href=\"https://doi.org/10.1117/12.2658716\">10.1117/12.2658716</a>.","ama":"Farheen H, Strauch A, Scheytt JC, Myroshnychenko V, Förstner J. Optimized silicon antennas for optical phased arrays. In: García-Blanco SM, Cheben P, eds. <i>Integrated Optics: Devices, Materials, and Technologies XXVII</i>. SPIE; 2023:124241D. doi:<a href=\"https://doi.org/10.1117/12.2658716\">10.1117/12.2658716</a>","bibtex":"@inproceedings{Farheen_Strauch_Scheytt_Myroshnychenko_Förstner_2023, title={Optimized silicon antennas for optical phased arrays}, DOI={<a href=\"https://doi.org/10.1117/12.2658716\">10.1117/12.2658716</a>}, booktitle={Integrated Optics: Devices, Materials, and Technologies XXVII}, publisher={SPIE}, author={Farheen, Henna and Strauch, Andreas and Scheytt, J. Christoph and Myroshnychenko, Viktor and Förstner, Jens}, editor={García-Blanco, Sonia M. and Cheben, Pavel}, year={2023}, pages={124241D} }"},"file_date_updated":"2023-03-22T20:53:11Z","_id":"43052","publisher":"SPIE","page":"124241D ","editor":[{"full_name":"García-Blanco, Sonia M.","last_name":"García-Blanco","first_name":"Sonia M."},{"first_name":"Pavel","last_name":"Cheben","full_name":"Cheben, Pavel"}],"user_id":"158","ddc":["530"],"status":"public","has_accepted_license":"1","date_created":"2023-03-21T12:35:18Z","file":[{"date_created":"2023-03-22T07:41:49Z","creator":"fossie","content_type":"application/pdf","file_id":"43055","date_updated":"2023-03-22T20:53:11Z","relation":"main_file","file_size":1747396,"access_level":"request","file_name":"2023-01 Poster Photonics West Henna OPA_A0.pdf"}],"department":[{"_id":"61"},{"_id":"230"},{"_id":"429"}],"type":"conference","keyword":["tet_topic_opticalantenna"],"publication":"Integrated Optics: Devices, Materials, and Technologies XXVII","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."}],"language":[{"iso":"eng"}],"doi":"10.1117/12.2658716","author":[{"last_name":"Farheen","orcid":"0000-0001-7730-3489","first_name":"Henna","full_name":"Farheen, Henna","id":"53444"},{"first_name":"Andreas","last_name":"Strauch","full_name":"Strauch, Andreas"},{"id":"37144","full_name":"Scheytt, J. Christoph","last_name":"Scheytt","orcid":"https://orcid.org/0000-0002-5950-6618","first_name":"J. Christoph"},{"id":"46371","first_name":"Viktor","last_name":"Myroshnychenko","full_name":"Myroshnychenko, Viktor"},{"id":"158","first_name":"Jens","last_name":"Förstner","orcid":"0000-0001-7059-9862","full_name":"Förstner, Jens"}],"title":"Optimized silicon antennas for optical phased arrays","year":"2023","publication_status":"published","date_updated":"2024-07-22T07:44:46Z"},{"_id":"50466","publisher":"IEEE","language":[{"iso":"eng"}],"user_id":"158","doi":"10.1109/ipc57732.2023.10360519","author":[{"id":"53444","full_name":"Farheen, Henna","orcid":"0000-0001-7730-3489","first_name":"Henna","last_name":"Farheen"},{"full_name":"Joshi, S.","first_name":"S.","last_name":"Joshi"},{"full_name":"Scheytt, J. Christoph","orcid":"0000-0002-5950-6618 ","first_name":"J. Christoph","last_name":"Scheytt","id":"37144"},{"id":"46371","full_name":"Myroshnychenko, Viktor","last_name":"Myroshnychenko","first_name":"Viktor"},{"id":"158","first_name":"Jens","orcid":"0000-0001-7059-9862","last_name":"Förstner","full_name":"Förstner, Jens"}],"year":"2023","status":"public","title":"Increasing the upward radiation efficiency of optical phased arrays using asymmetric silicon horn antennas","publication_status":"published","date_updated":"2024-07-22T07:48:53Z","date_created":"2024-01-12T07:37:54Z","department":[{"_id":"61"},{"_id":"230"},{"_id":"429"}],"keyword":["tet_topic_opticalantenna"],"type":"conference","citation":{"mla":"Farheen, Henna, et al. “Increasing the Upward Radiation Efficiency of Optical Phased Arrays Using Asymmetric Silicon Horn Antennas.” <i>2023 IEEE Photonics Conference (IPC)</i>, IEEE, 2023, doi:<a href=\"https://doi.org/10.1109/ipc57732.2023.10360519\">10.1109/ipc57732.2023.10360519</a>.","bibtex":"@inproceedings{Farheen_Joshi_Scheytt_Myroshnychenko_Förstner_2023, title={Increasing the upward radiation efficiency of optical phased arrays using asymmetric silicon horn antennas}, DOI={<a href=\"https://doi.org/10.1109/ipc57732.2023.10360519\">10.1109/ipc57732.2023.10360519</a>}, booktitle={2023 IEEE Photonics Conference (IPC)}, publisher={IEEE}, author={Farheen, Henna and Joshi, S. and Scheytt, J. Christoph and Myroshnychenko, Viktor and Förstner, Jens}, year={2023} }","ama":"Farheen H, Joshi S, Scheytt JC, Myroshnychenko V, Förstner J. Increasing the upward radiation efficiency of optical phased arrays using asymmetric silicon horn antennas. In: <i>2023 IEEE Photonics Conference (IPC)</i>. IEEE; 2023. doi:<a href=\"https://doi.org/10.1109/ipc57732.2023.10360519\">10.1109/ipc57732.2023.10360519</a>","ieee":"H. Farheen, S. Joshi, J. C. Scheytt, V. Myroshnychenko, and J. Förstner, “Increasing the upward radiation efficiency of optical phased arrays using asymmetric silicon horn antennas,” 2023, doi: <a href=\"https://doi.org/10.1109/ipc57732.2023.10360519\">10.1109/ipc57732.2023.10360519</a>.","apa":"Farheen, H., Joshi, S., Scheytt, J. C., Myroshnychenko, V., &#38; Förstner, J. (2023). Increasing the upward radiation efficiency of optical phased arrays using asymmetric silicon horn antennas. <i>2023 IEEE Photonics Conference (IPC)</i>. <a href=\"https://doi.org/10.1109/ipc57732.2023.10360519\">https://doi.org/10.1109/ipc57732.2023.10360519</a>","chicago":"Farheen, Henna, S. Joshi, J. Christoph Scheytt, Viktor Myroshnychenko, and Jens Förstner. “Increasing the Upward Radiation Efficiency of Optical Phased Arrays Using Asymmetric Silicon Horn Antennas.” In <i>2023 IEEE Photonics Conference (IPC)</i>. IEEE, 2023. <a href=\"https://doi.org/10.1109/ipc57732.2023.10360519\">https://doi.org/10.1109/ipc57732.2023.10360519</a>.","short":"H. Farheen, S. Joshi, J.C. Scheytt, V. Myroshnychenko, J. Förstner, in: 2023 IEEE Photonics Conference (IPC), IEEE, 2023."},"publication":"2023 IEEE Photonics Conference (IPC)","project":[{"name":"PhoQC: PhoQC: Photonisches Quantencomputing","grant_number":"PROFILNRW-2020-067","_id":"266"},{"name":"TRR 142 - B06: TRR 142 - Ultraschnelle kohärente opto-elektronische Kontrolle eines photonischen Quantensystems (B06*)","grant_number":"231447078","_id":"167"},{"name":"TRR 142 - C05: TRR 142 - Nichtlineare optische Oberflächen basierend auf ZnO-plasmonischen Hybrid-Nanostrukturen (C05)","_id":"75","grant_number":"231447078"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"abstract":[{"lang":"eng","text":"A key challenge in designing efficient optical phased arrays is the lack of a well-designed radiator. This work explores horn antennas numerically optimized to target high upward radiation efficiency to be employed in silicon-based phased arrays capable of producing elegant radiation patterns in the far-field."}]},{"title":"„FInDig“: Fach – Inklusion – Digitalisierung vernetzen. Ein Planungs- und Reflexionsmodell für die Lehrkräftebildung","status":"public","year":"2023","author":[{"id":"60267","last_name":"Häsel-Weide","first_name":"Uta","full_name":"Häsel-Weide, Uta"},{"full_name":"Schmidt, R.","first_name":"R.","last_name":"Schmidt"},{"last_name":"Büker","first_name":"Petra","full_name":"Büker, Petra","id":"21978"}],"date_updated":"2024-07-23T13:05:48Z","intvolume":"         5","page":"215-229","_id":"48596","language":[{"iso":"ger"}],"user_id":"26718","volume":5,"issue":"1","publication":"Zeitschrift für Schul- und Professionsentwicklung (PFLB)","citation":{"bibtex":"@article{Häsel-Weide_Schmidt_Büker_2023, title={„FInDig“: Fach – Inklusion – Digitalisierung vernetzen. Ein Planungs- und Reflexionsmodell für die Lehrkräftebildung}, volume={5}, number={1}, journal={Zeitschrift für Schul- und Professionsentwicklung (PFLB)}, author={Häsel-Weide, Uta and Schmidt, R. and Büker, Petra}, year={2023}, pages={215–229} }","ama":"Häsel-Weide U, Schmidt R, Büker P. „FInDig“: Fach – Inklusion – Digitalisierung vernetzen. Ein Planungs- und Reflexionsmodell für die Lehrkräftebildung. <i>Zeitschrift für Schul- und Professionsentwicklung (PFLB)</i>. 2023;5(1):215-229.","mla":"Häsel-Weide, Uta, et al. “„FInDig“: Fach – Inklusion – Digitalisierung vernetzen. Ein Planungs- und Reflexionsmodell für die Lehrkräftebildung.” <i>Zeitschrift für Schul- und Professionsentwicklung (PFLB)</i>, vol. 5, no. 1, 2023, pp. 215–29.","short":"U. Häsel-Weide, R. Schmidt, P. Büker, Zeitschrift für Schul- und Professionsentwicklung (PFLB) 5 (2023) 215–229.","chicago":"Häsel-Weide, Uta, R. Schmidt, and Petra Büker. “„FInDig“: Fach – Inklusion – Digitalisierung vernetzen. Ein Planungs- und Reflexionsmodell für die Lehrkräftebildung.” <i>Zeitschrift für Schul- und Professionsentwicklung (PFLB)</i> 5, no. 1 (2023): 215–29.","ieee":"U. Häsel-Weide, R. Schmidt, and P. Büker, “„FInDig“: Fach – Inklusion – Digitalisierung vernetzen. Ein Planungs- und Reflexionsmodell für die Lehrkräftebildung,” <i>Zeitschrift für Schul- und Professionsentwicklung (PFLB)</i>, vol. 5, no. 1, pp. 215–229, 2023.","apa":"Häsel-Weide, U., Schmidt, R., &#38; Büker, P. (2023). „FInDig“: Fach – Inklusion – Digitalisierung vernetzen. Ein Planungs- und Reflexionsmodell für die Lehrkräftebildung. <i>Zeitschrift für Schul- und Professionsentwicklung (PFLB)</i>, <i>5</i>(1), 215–229."},"related_material":{"link":[{"url":"https://doi.org/10.11576/pflb-6763 ","relation":"original"}]},"date_created":"2023-11-02T11:22:34Z","type":"journal_article","department":[{"_id":"543"},{"_id":"458"}]},{"department":[{"_id":"102"}],"type":"journal_article","date_created":"2024-07-16T11:09:01Z","extern":"1","citation":{"ama":"Klahn B, Technau M. Galois groups of (<sup>n</sup>₀)+(<sup>n</sup>₁)X+…+(<sup>n</sup>₆)X<sup>6</sup>. <i>Int J Number Theory</i>. 2023;19(10):2443–2450. doi:<a href=\"https://doi.org/10.1142/S1793042123501208\">10.1142/S1793042123501208</a>","bibtex":"@article{Klahn_Technau_2023, title={Galois groups of (<sup>n</sup>₀)+(<sup>n</sup>₁)X+…+(<sup>n</sup>₆)X<sup>6</sup>}, volume={19}, DOI={<a href=\"https://doi.org/10.1142/S1793042123501208\">10.1142/S1793042123501208</a>}, number={10}, journal={Int. J. Number Theory}, author={Klahn, B. and Technau, Marc}, year={2023}, pages={2443–2450} }","mla":"Klahn, B., and Marc Technau. “Galois Groups of (<sup>n</sup>₀)+(<sup>n</sup>₁)X+…+(<sup>n</sup>₆)X<sup>6</sup>.” <i>Int. J. Number Theory</i>, vol. 19, no. 10, 2023, pp. 2443–2450, doi:<a href=\"https://doi.org/10.1142/S1793042123501208\">10.1142/S1793042123501208</a>.","short":"B. Klahn, M. Technau, Int. J. Number Theory 19 (2023) 2443–2450.","chicago":"Klahn, B., and Marc Technau. “Galois Groups of (<sup>n</sup>₀)+(<sup>n</sup>₁)X+…+(<sup>n</sup>₆)X<sup>6</sup>.” <i>Int. J. Number Theory</i> 19, no. 10 (2023): 2443–2450. <a href=\"https://doi.org/10.1142/S1793042123501208\">https://doi.org/10.1142/S1793042123501208</a>.","apa":"Klahn, B., &#38; Technau, M. (2023). Galois groups of (<sup>n</sup>₀)+(<sup>n</sup>₁)X+…+(<sup>n</sup>₆)X<sup>6</sup>. <i>Int. J. Number Theory</i>, <i>19</i>(10), 2443–2450. <a href=\"https://doi.org/10.1142/S1793042123501208\">https://doi.org/10.1142/S1793042123501208</a>","ieee":"B. Klahn and M. Technau, “Galois groups of (<sup>n</sup>₀)+(<sup>n</sup>₁)X+…+(<sup>n</sup>₆)X<sup>6</sup>,” <i>Int. J. Number Theory</i>, vol. 19, no. 10, pp. 2443–2450, 2023, doi: <a href=\"https://doi.org/10.1142/S1793042123501208\">10.1142/S1793042123501208</a>."},"publication":"Int. J. Number Theory","issue":"10","volume":19,"user_id":"106108","doi":"10.1142/S1793042123501208","_id":"55277","language":[{"iso":"eng"}],"page":"2443–2450","intvolume":"        19","date_updated":"2024-07-24T07:23:33Z","author":[{"first_name":"B.","last_name":"Klahn","full_name":"Klahn, B."},{"id":"106108","last_name":"Technau","orcid":"0000-0001-9650-2459","first_name":"Marc","full_name":"Technau, Marc"}],"status":"public","title":"Galois groups of (ⁿ₀)+(ⁿ₁)X+…+(ⁿ₆)X⁶","year":"2023"},{"author":[{"first_name":"P.","last_name":"Minelli","full_name":"Minelli, P."},{"first_name":"A.","last_name":"Sourmelidis","full_name":"Sourmelidis, A."},{"last_name":"Technau","first_name":"Marc","orcid":"0000-0001-9650-2459","full_name":"Technau, Marc","id":"106108"}],"year":"2023","title":"Bias in the number of steps in the Euclidean algorithm and a conjecture of Ito on Dedekind sums","status":"public","intvolume":"       387","date_updated":"2024-07-24T07:26:05Z","_id":"55279","language":[{"iso":"eng"}],"page":"291–320","volume":387,"user_id":"106108","doi":"10.1007/s00208-022-02452-2","citation":{"bibtex":"@article{Minelli_Sourmelidis_Technau_2023, title={Bias in the number of steps in the Euclidean algorithm and a conjecture of Ito on Dedekind sums}, volume={387}, DOI={<a href=\"https://doi.org/10.1007/s00208-022-02452-2\">10.1007/s00208-022-02452-2</a>}, journal={Math. Ann.}, author={Minelli, P. and Sourmelidis, A. and Technau, Marc}, year={2023}, pages={291–320} }","ama":"Minelli P, Sourmelidis A, Technau M. Bias in the number of steps in the Euclidean algorithm and a conjecture of Ito on Dedekind sums. <i>Math Ann</i>. 2023;387:291–320. doi:<a href=\"https://doi.org/10.1007/s00208-022-02452-2\">10.1007/s00208-022-02452-2</a>","mla":"Minelli, P., et al. “Bias in the Number of Steps in the Euclidean Algorithm and a Conjecture of Ito on Dedekind Sums.” <i>Math. Ann.</i>, vol. 387, 2023, pp. 291–320, doi:<a href=\"https://doi.org/10.1007/s00208-022-02452-2\">10.1007/s00208-022-02452-2</a>.","chicago":"Minelli, P., A. Sourmelidis, and Marc Technau. “Bias in the Number of Steps in the Euclidean Algorithm and a Conjecture of Ito on Dedekind Sums.” <i>Math. Ann.</i> 387 (2023): 291–320. <a href=\"https://doi.org/10.1007/s00208-022-02452-2\">https://doi.org/10.1007/s00208-022-02452-2</a>.","short":"P. Minelli, A. Sourmelidis, M. Technau, Math. Ann. 387 (2023) 291–320.","ieee":"P. Minelli, A. Sourmelidis, and M. Technau, “Bias in the number of steps in the Euclidean algorithm and a conjecture of Ito on Dedekind sums,” <i>Math. Ann.</i>, vol. 387, pp. 291–320, 2023, doi: <a href=\"https://doi.org/10.1007/s00208-022-02452-2\">10.1007/s00208-022-02452-2</a>.","apa":"Minelli, P., Sourmelidis, A., &#38; Technau, M. (2023). Bias in the number of steps in the Euclidean algorithm and a conjecture of Ito on Dedekind sums. <i>Math. Ann.</i>, <i>387</i>, 291–320. <a href=\"https://doi.org/10.1007/s00208-022-02452-2\">https://doi.org/10.1007/s00208-022-02452-2</a>"},"publication":"Math. Ann.","extern":"1","date_created":"2024-07-16T11:09:01Z","department":[{"_id":"102"}],"type":"journal_article"},{"page":"4636–4659","publisher":"Association for Computational Linguistics","_id":"55406","language":[{"iso":"eng"}],"doi":"10.18653/v1/2023.findings-emnlp.308","user_id":"3900","editor":[{"last_name":"Bouamor","first_name":"Houda","full_name":"Bouamor, Houda"},{"last_name":"Pino","first_name":"Juan","full_name":"Pino, Juan"},{"full_name":"Bali, Kalika","first_name":"Kalika","last_name":"Bali"}],"title":"Modeling Highlighting of Metaphors in Multitask Contrastive Learning Paradigms","year":"2023","status":"public","author":[{"first_name":"Meghdut","last_name":"Sengupta","full_name":"Sengupta, Meghdut","id":"99459"},{"full_name":"Alshomary, Milad","last_name":"Alshomary","first_name":"Milad","id":"73059"},{"id":"451","full_name":"Scharlau, Ingrid","first_name":"Ingrid","orcid":"0000-0003-2364-9489","last_name":"Scharlau"},{"id":"3900","full_name":"Wachsmuth, Henning","last_name":"Wachsmuth","first_name":"Henning"}],"date_updated":"2024-07-26T13:19:53Z","place":"Singapore","date_created":"2024-07-26T13:09:20Z","type":"conference","department":[{"_id":"600"},{"_id":"660"}],"publication":"Findings of the Association for Computational Linguistics: EMNLP 2023","citation":{"ieee":"M. Sengupta, M. Alshomary, I. Scharlau, and H. Wachsmuth, “Modeling Highlighting of Metaphors in Multitask Contrastive Learning Paradigms,” in <i>Findings of the Association for Computational Linguistics: EMNLP 2023</i>, 2023, pp. 4636–4659, doi: <a href=\"https://doi.org/10.18653/v1/2023.findings-emnlp.308\">10.18653/v1/2023.findings-emnlp.308</a>.","apa":"Sengupta, M., Alshomary, M., Scharlau, I., &#38; Wachsmuth, H. (2023). Modeling Highlighting of Metaphors in Multitask Contrastive Learning Paradigms. In H. Bouamor, J. Pino, &#38; K. Bali (Eds.), <i>Findings of the Association for Computational Linguistics: EMNLP 2023</i> (pp. 4636–4659). Association for Computational Linguistics. <a href=\"https://doi.org/10.18653/v1/2023.findings-emnlp.308\">https://doi.org/10.18653/v1/2023.findings-emnlp.308</a>","chicago":"Sengupta, Meghdut, Milad Alshomary, Ingrid Scharlau, and Henning Wachsmuth. “Modeling Highlighting of Metaphors in Multitask Contrastive Learning Paradigms.” In <i>Findings of the Association for Computational Linguistics: EMNLP 2023</i>, edited by Houda Bouamor, Juan Pino, and Kalika Bali, 4636–4659. Singapore: Association for Computational Linguistics, 2023. <a href=\"https://doi.org/10.18653/v1/2023.findings-emnlp.308\">https://doi.org/10.18653/v1/2023.findings-emnlp.308</a>.","short":"M. Sengupta, M. Alshomary, I. Scharlau, H. Wachsmuth, in: H. Bouamor, J. Pino, K. Bali (Eds.), Findings of the Association for Computational Linguistics: EMNLP 2023, Association for Computational Linguistics, Singapore, 2023, pp. 4636–4659.","mla":"Sengupta, Meghdut, et al. “Modeling Highlighting of Metaphors in Multitask Contrastive Learning Paradigms.” <i>Findings of the Association for Computational Linguistics: EMNLP 2023</i>, edited by Houda Bouamor et al., Association for Computational Linguistics, 2023, pp. 4636–4659, doi:<a href=\"https://doi.org/10.18653/v1/2023.findings-emnlp.308\">10.18653/v1/2023.findings-emnlp.308</a>.","bibtex":"@inproceedings{Sengupta_Alshomary_Scharlau_Wachsmuth_2023, place={Singapore}, title={Modeling Highlighting of Metaphors in Multitask Contrastive Learning Paradigms}, DOI={<a href=\"https://doi.org/10.18653/v1/2023.findings-emnlp.308\">10.18653/v1/2023.findings-emnlp.308</a>}, booktitle={Findings of the Association for Computational Linguistics: EMNLP 2023}, publisher={Association for Computational Linguistics}, author={Sengupta, Meghdut and Alshomary, Milad and Scharlau, Ingrid and Wachsmuth, Henning}, editor={Bouamor, Houda and Pino, Juan and Bali, Kalika}, year={2023}, pages={4636–4659} }","ama":"Sengupta M, Alshomary M, Scharlau I, Wachsmuth H. Modeling Highlighting of Metaphors in Multitask Contrastive Learning Paradigms. In: Bouamor H, Pino J, Bali K, eds. <i>Findings of the Association for Computational Linguistics: EMNLP 2023</i>. Association for Computational Linguistics; 2023:4636–4659. doi:<a href=\"https://doi.org/10.18653/v1/2023.findings-emnlp.308\">10.18653/v1/2023.findings-emnlp.308</a>"},"abstract":[{"text":"Metaphorical language, such as {“}spending time together{”}, projects meaning from a source domain (here, $money$) to a target domain ($time$). Thereby, it highlights certain aspects of the target domain, such as the $effort$ behind the time investment. Highlighting aspects with metaphors (while hiding others) bridges the two domains and is the core of metaphorical meaning construction. For metaphor interpretation, linguistic theories stress that identifying the highlighted aspects is important for a better understanding of metaphors. However, metaphor research in NLP has not yet dealt with the phenomenon of highlighting. In this paper, we introduce the task of identifying the main aspect highlighted in a metaphorical sentence. Given the inherent interaction of source domains and highlighted aspects, we propose two multitask approaches - a joint learning approach and a continual learning approach - based on a finetuned contrastive learning model to jointly predict highlighted aspects and source domains. We further investigate whether (predicted) information about a source domain leads to better performance in predicting the highlighted aspects, and vice versa. Our experiments on an existing corpus suggest that, with the corresponding information, the performance to predict the other improves in terms of model accuracy in predicting highlighted aspects and source domains notably compared to the single-task baselines.","lang":"eng"}],"project":[{"name":"TRR 318 - C4: TRR 318 - Subproject C4 - Metaphern als Werkzeug des Erklärens","_id":"127"}]},{"citation":{"ieee":"I. Mwammenywa and U. Hilleringmann, “Analysis of Electricity Power Generation and Load Profiles in Solar PV Microgrids in Rural Villages of East Africa: Case of Mpale Village in Tanzania,” 2023, doi: <a href=\"https://doi.org/10.1109/africon55910.2023.10293635\">10.1109/africon55910.2023.10293635</a>.","apa":"Mwammenywa, I., &#38; Hilleringmann, U. (2023). Analysis of Electricity Power Generation and Load Profiles in Solar PV Microgrids in Rural Villages of East Africa: Case of Mpale Village in Tanzania. <i>2023 IEEE AFRICON</i>. <a href=\"https://doi.org/10.1109/africon55910.2023.10293635\">https://doi.org/10.1109/africon55910.2023.10293635</a>","short":"I. Mwammenywa, U. Hilleringmann, in: 2023 IEEE AFRICON, IEEE, 2023.","chicago":"Mwammenywa, Ibrahim, and Ulrich Hilleringmann. “Analysis of Electricity Power Generation and Load Profiles in Solar PV Microgrids in Rural Villages of East Africa: Case of Mpale Village in Tanzania.” In <i>2023 IEEE AFRICON</i>. 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Angesichts dieser gesellschaftlich tiefgreifenden Veränderungen werden Grenzen und ihre Überwindung zu immer zentraleren Herausforderungen, auch für die pädagogischen Forschungsfelder. Der Band versammelt vielfältige Beitrage zum Thema Entgrenzungen und richtet dabei den Blick auf Ent- und Begrenzung in ihrer Bedeutung für Bildung, Erziehung und Sozialisation.</jats:p>"}],"_id":"55450","publisher":"Verlag Barbara Budrich","doi":"10.3224/84742750","user_id":"16148","editor":[{"first_name":"Alisha","last_name":"Heinemann","full_name":"Heinemann, Alisha"},{"last_name":"Karakaşoğlu","first_name":"Yasemin","full_name":"Karakaşoğlu, Yasemin"},{"full_name":"Linnemann, Tobias","first_name":"Tobias","last_name":"Linnemann"},{"full_name":"Rose, Nadine","last_name":"Rose","first_name":"Nadine"},{"full_name":"Sturm, Tanja","first_name":"Tanja","last_name":"Sturm"}],"status":"public","year":"2023","title":"Entgrenzungen. Beiträge zum 28. 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Ozaki (Eds.), <i>Proceedings of the 36th International Workshop on Description Logics {(DL} 2023) co-located with the 20th International Conference on Principles of Knowledge Representation and Reasoning and the 21st International Workshop on Non-Monotonic Reasoning {(KR} 2023 and NMR 2023)., Rhodes, Greece, September 2-4, 2023</i> (Vol. 3515). CEUR-WS.org.","ieee":"A.-Y. 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Diffeomorphism groups of convex polytopes. <i>Journal of Convex Analysis</i>, <i>30</i>(1), 343–358.","chicago":"Glöckner, Helge. “Diffeomorphism Groups of Convex Polytopes.” <i>Journal of Convex Analysis</i> 30, no. 1 (2023): 343–58.","short":"H. Glöckner, Journal of Convex Analysis 30 (2023) 343–358."},"quality_controlled":"1","external_id":{"arxiv":["2203.09285"]},"status":"public","_id":"34805","publisher":"Heldermann","page":"343-358","volume":30,"user_id":"178","publication":"Journal of Convex Analysis","issue":"1","abstract":[{"lang":"eng","text":"Let $E$ be a finite-dimensional real vector space and $M\\subseteq E$ be a\r\nconvex polytope with non-empty interior. We turn the group of all\r\n$C^\\infty$-diffeomorphisms of $M$ into a regular Lie group."}],"date_created":"2022-12-22T07:45:13Z","department":[{"_id":"10"},{"_id":"87"},{"_id":"93"}],"type":"journal_article","author":[{"id":"178","last_name":"Glöckner","first_name":"Helge","full_name":"Glöckner, Helge"}],"year":"2023","title":"Diffeomorphism groups of convex polytopes","intvolume":"        30","date_updated":"2024-08-09T08:49:17Z","language":[{"iso":"eng"}]},{"page":"271-296","_id":"34801","publisher":"Heldermann","language":[{"iso":"eng"}],"user_id":"178","volume":33,"title":"Mapping groups associated with real-valued function spaces and direct limits of Sobolev-Lie groups ","year":"2023","status":"public","author":[{"full_name":"Glöckner, Helge","last_name":"Glöckner","first_name":"Helge","id":"178"},{"last_name":"Tárrega","first_name":"Luis","full_name":"Tárrega, Luis"}],"date_updated":"2024-08-09T08:48:51Z","intvolume":"        33","external_id":{"arxiv":["2210.01246"]},"date_created":"2022-12-22T07:23:57Z","type":"journal_article","department":[{"_id":"10"},{"_id":"87"},{"_id":"93"}],"publication":"Journal of Lie Theory","issue":"1","citation":{"ieee":"H. Glöckner and L. Tárrega, “Mapping groups associated with real-valued function spaces and direct limits of Sobolev-Lie groups ,” <i>Journal of Lie Theory</i>, vol. 33, no. 1, pp. 271–296, 2023.","apa":"Glöckner, H., &#38; Tárrega, L. (2023). Mapping groups associated with real-valued function spaces and direct limits of Sobolev-Lie groups . <i>Journal of Lie Theory</i>, <i>33</i>(1), 271–296.","mla":"Glöckner, Helge, and Luis Tárrega. “Mapping Groups Associated with Real-Valued Function Spaces and Direct Limits of Sobolev-Lie Groups .” <i>Journal of Lie Theory</i>, vol. 33, no. 1, Heldermann, 2023, pp. 271–96.","bibtex":"@article{Glöckner_Tárrega_2023, title={Mapping groups associated with real-valued function spaces and direct limits of Sobolev-Lie groups }, volume={33}, number={1}, journal={Journal of Lie Theory}, publisher={Heldermann}, author={Glöckner, Helge and Tárrega, Luis}, year={2023}, pages={271–296} }","ama":"Glöckner H, Tárrega L. Mapping groups associated with real-valued function spaces and direct limits of Sobolev-Lie groups . <i>Journal of Lie Theory</i>. 2023;33(1):271-296.","short":"H. Glöckner, L. Tárrega, Journal of Lie Theory 33 (2023) 271–296.","chicago":"Glöckner, Helge, and Luis Tárrega. “Mapping Groups Associated with Real-Valued Function Spaces and Direct Limits of Sobolev-Lie Groups .” <i>Journal of Lie Theory</i> 33, no. 1 (2023): 271–96."},"quality_controlled":"1"},{"citation":{"ama":"Jakob J. Der Whitneysche Fortsetzungssatz für vektorwertige Funktionen. Published online 2023.","bibtex":"@article{Jakob_2023, title={Der Whitneysche Fortsetzungssatz für vektorwertige Funktionen}, author={Jakob, Johanna}, year={2023} }","mla":"Jakob, Johanna. <i>Der Whitneysche Fortsetzungssatz Für Vektorwertige Funktionen</i>. 2023.","chicago":"Jakob, Johanna. “Der Whitneysche Fortsetzungssatz Für Vektorwertige Funktionen,” 2023.","short":"J. Jakob, (2023).","apa":"Jakob, J. (2023). <i>Der Whitneysche Fortsetzungssatz für vektorwertige Funktionen</i>.","ieee":"J. Jakob, “Der Whitneysche Fortsetzungssatz für vektorwertige Funktionen.” 2023."},"department":[{"_id":"10"},{"_id":"87"},{"_id":"93"}],"type":"preprint","date_created":"2024-08-09T09:15:06Z","external_id":{"arxiv":["2307.03473"]},"date_updated":"2024-08-09T09:27:43Z","author":[{"full_name":"Jakob, Johanna","first_name":"Johanna","last_name":"Jakob"}],"year":"2023","status":"public","title":"Der Whitneysche Fortsetzungssatz für vektorwertige Funktionen","user_id":"178","_id":"55575","language":[{"iso":"eng"}]},{"series_title":"Lecture Notes in Computer Science (LNCS)","language":[{"iso":"eng"}],"doi":"10.1007/978-3-031-38271-0_57","publication_identifier":{"eisbn":["978-3-031-38271-0"]},"author":[{"id":"85279","full_name":"Offen, Christian","orcid":"0000-0002-5940-8057","first_name":"Christian","last_name":"Offen"},{"first_name":"Sina","last_name":"Ober-Blöbaum","full_name":"Ober-Blöbaum, Sina","id":"16494"}],"year":"2023","title":"Learning discrete Lagrangians for variational PDEs from data and detection of travelling waves","intvolume":"     14071","date_updated":"2024-08-12T13:46:29Z","publication_status":"published","date_created":"2023-02-16T11:32:48Z","file":[{"file_name":"LDensityLearning.pdf","file_size":1938962,"access_level":"open_access","relation":"main_file","date_updated":"2023-08-02T12:04:17Z","file_id":"46273","content_type":"application/pdf","title":"Learning discrete Lagrangians for variational PDEs from data and detection of travelling waves","creator":"coffen","date_created":"2023-08-02T12:04:17Z","description":"The article shows how to learn models of dynamical systems\nfrom data which are governed by an unknown variational PDE. Rather\nthan employing reduction techniques, we learn a discrete field theory\ngoverned by a discrete Lagrangian density Ld that is modelled as a neural network. Careful regularisation of the loss function for training Ld is\nnecessary to obtain a field theory that is suitable for numerical computations: we derive a regularisation term which optimises the solvability of\nthe discrete Euler–Lagrange equations. Secondly, we develop a method to\nfind solutions to machine learned discrete field theories which constitute\ntravelling waves of the underlying continuous PDE."}],"department":[{"_id":"636"}],"keyword":["System identification","discrete Lagrangians","travelling waves"],"type":"conference","publication":"Geometric Science of Information","related_material":{"link":[{"relation":"software","url":"https://github.com/Christian-Offen/LagrangianDensityML","description":"GitHub"}]},"abstract":[{"lang":"eng","text":"The article shows how to learn models of dynamical systems from data which are governed by an unknown variational PDE. Rather than employing reduction techniques, we learn a discrete field theory governed by a discrete Lagrangian density $L_d$ that is modelled as a neural network. Careful regularisation of the loss function for training $L_d$ is necessary to obtain a field theory that is suitable for numerical computations: we derive a regularisation term which optimises the solvability of the discrete Euler--Lagrange equations. Secondly, we develop a method to find solutions to machine learned discrete field theories which constitute travelling waves of the underlying continuous PDE."}],"_id":"42163","publisher":"Springer, Cham.","page":"569-579","editor":[{"full_name":"Nielsen, F","last_name":"Nielsen","first_name":"F"},{"first_name":"F","last_name":"Barbaresco","full_name":"Barbaresco, F"}],"volume":14071,"ddc":["510"],"user_id":"85279","conference":{"name":"  GSI'23 6th International Conference on Geometric Science of Information","start_date":"2023-08-30","location":"Saint-Malo, Palais du Grand Large, France","end_date":"2023-09-01"},"status":"public","has_accepted_license":"1","external_id":{"arxiv":["2302.08232 "]},"oa":"1","citation":{"mla":"Offen, Christian, and Sina Ober-Blöbaum. “Learning Discrete Lagrangians for Variational PDEs from Data and Detection of Travelling Waves.” <i>Geometric Science of Information</i>, edited by F Nielsen and F Barbaresco, vol. 14071, Springer, Cham., 2023, pp. 569–79, doi:<a href=\"https://doi.org/10.1007/978-3-031-38271-0_57\">10.1007/978-3-031-38271-0_57</a>.","ama":"Offen C, Ober-Blöbaum S. Learning discrete Lagrangians for variational PDEs from data and detection of travelling waves. In: Nielsen F, Barbaresco F, eds. <i>Geometric Science of Information</i>. Vol 14071. Lecture Notes in Computer Science (LNCS). Springer, Cham.; 2023:569-579. doi:<a href=\"https://doi.org/10.1007/978-3-031-38271-0_57\">10.1007/978-3-031-38271-0_57</a>","bibtex":"@inproceedings{Offen_Ober-Blöbaum_2023, series={Lecture Notes in Computer Science (LNCS)}, title={Learning discrete Lagrangians for variational PDEs from data and detection of travelling waves}, volume={14071}, DOI={<a href=\"https://doi.org/10.1007/978-3-031-38271-0_57\">10.1007/978-3-031-38271-0_57</a>}, booktitle={Geometric Science of Information}, publisher={Springer, Cham.}, author={Offen, Christian and Ober-Blöbaum, Sina}, editor={Nielsen, F and Barbaresco, F}, year={2023}, pages={569–579}, collection={Lecture Notes in Computer Science (LNCS)} }","apa":"Offen, C., &#38; Ober-Blöbaum, S. (2023). Learning discrete Lagrangians for variational PDEs from data and detection of travelling waves. In F. Nielsen &#38; F. Barbaresco (Eds.), <i>Geometric Science of Information</i> (Vol. 14071, pp. 569–579). Springer, Cham. <a href=\"https://doi.org/10.1007/978-3-031-38271-0_57\">https://doi.org/10.1007/978-3-031-38271-0_57</a>","ieee":"C. Offen and S. Ober-Blöbaum, “Learning discrete Lagrangians for variational PDEs from data and detection of travelling waves,” in <i>Geometric Science of Information</i>, Saint-Malo, Palais du Grand Large, France, 2023, vol. 14071, pp. 569–579, doi: <a href=\"https://doi.org/10.1007/978-3-031-38271-0_57\">10.1007/978-3-031-38271-0_57</a>.","chicago":"Offen, Christian, and Sina Ober-Blöbaum. “Learning Discrete Lagrangians for Variational PDEs from Data and Detection of Travelling Waves.” In <i>Geometric Science of Information</i>, edited by F Nielsen and F Barbaresco, 14071:569–79. Lecture Notes in Computer Science (LNCS). Springer, Cham., 2023. <a href=\"https://doi.org/10.1007/978-3-031-38271-0_57\">https://doi.org/10.1007/978-3-031-38271-0_57</a>.","short":"C. Offen, S. Ober-Blöbaum, in: F. Nielsen, F. Barbaresco (Eds.), Geometric Science of Information, Springer, Cham., 2023, pp. 569–579."},"file_date_updated":"2023-08-02T12:04:17Z","project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"quality_controlled":"1"}]