[{"date_updated":"2025-12-03T09:14:06Z","intvolume":"        65","status":"public","title":"Entwicklung von Professionswissen und Unterrichtsperformanz im Lehramtsstudium Physik. Analysen zu valider Testwertinterpretation","year":"2019","author":[{"id":"4245","first_name":"Christoph","orcid":"0000-0002-5804-1855","last_name":"Vogelsang","full_name":"Vogelsang, Christoph"},{"full_name":"Borowski, Andreas","last_name":"Borowski","first_name":"Andreas"},{"full_name":"Buschhüter, David","last_name":"Buschhüter","first_name":"David"},{"first_name":"Patrick","last_name":"Enkrott","full_name":"Enkrott, Patrick"},{"full_name":"Kempin, Maren","first_name":"Maren","last_name":"Kempin"},{"id":"84533","first_name":"Christoph","last_name":"Kulgemeyer","full_name":"Kulgemeyer, Christoph"},{"id":"416","first_name":"Peter","last_name":"Reinhold","full_name":"Reinhold, Peter"},{"id":"429","full_name":"Riese, Josef","last_name":"Riese","first_name":"Josef","orcid":"0000-0003-2927-2619"},{"first_name":"Horst","last_name":"Schecker","full_name":"Schecker, Horst"},{"last_name":"Schröder","first_name":"Jan","full_name":"Schröder, Jan"}],"user_id":"4245","doi":"10.25656/01:23990","volume":65,"page":"473-491","publisher":"Beltz","_id":"45194","language":[{"iso":"ger"}],"abstract":[{"text":"Angehende Physiklehrkräfte sollen im Rahmen ihres Studiums fachliches und fachdidaktisches Wissen erwerben, welches die Gestaltung lernförderlichen Unterrichts ermöglicht. Es ist allerdings empirisch nur wenig geklärt, wie sich dieses Wissen im Laufe des Studiums entwickelt und ob es zur Ausbildung von Handlungsfähigkeiten beiträgt. Um derartige Wirkungsaussagen treffen zu können, müssen Instrumente entwickelt werden, die eine valide Testwertinterpretation zulassen. In diesem Beitrag werden auf Basis von im Projekt Profile-P+ entwickelten Instrumenten Validitätsanalysen zur längsschnittlichen Entwicklung des Professionswissens von Physiklehramtsstudierenden im Verlauf des Bachelorstudiums und ihrer Fähigkeiten zur Planung und Reflexion von Physikunterricht sowie zum Erklären von physikalischen Sachverhalten vor und nach dem Praxissemester dargestellt. Neben Wissenstests kamen standardisierte Performanztests zum Einsatz. Die vorliegenden Ergebnisse sprechen dafür, dass die erhobenen Messwerte im Sinne von Wirkungsaussagen interpretiert werden können. (DIPF/Orig.)","lang":"eng"},{"text":"In pre-service teacher education programs prospective physics teachers should acquire professional knowledge that enables them to carry out effective instruction. However, there is little empirical evidence with regard to the development of professional knowledge in the courses of their studies - it is even unclear what knowledge has an impact on teaching quality. In order to be able to analyse these questions, instruments must be developed that permit a valid interpretation of tests cores. Based on instruments developed in project Profile-P+, this article presents a validity argument for the interpretation of test scores for the development of pre-service physics teachers' professional knowledge during a bachelor degree program. The authors also develop validity arguments for the interpretation of tests cores for the development of their skills to plan and reflect on physics lessons and to explain physics during teaching practice. In addition to knowledge tests, standardized performance tests were used. The results of the analysis suggest that the measured values can be interpreted in the intended sense. (DIPF/Orig.)","lang":"eng"}],"publication":"Zeitschrift für Pädagogik","issue":"4","citation":{"short":"C. Vogelsang, A. Borowski, D. Buschhüter, P. Enkrott, M. Kempin, C. Kulgemeyer, P. Reinhold, J. Riese, H. Schecker, J. Schröder, Zeitschrift für Pädagogik 65 (2019) 473–491.","chicago":"Vogelsang, Christoph, Andreas Borowski, David Buschhüter, Patrick Enkrott, Maren Kempin, Christoph Kulgemeyer, Peter Reinhold, Josef Riese, Horst Schecker, and Jan Schröder. “Entwicklung von Professionswissen und Unterrichtsperformanz im Lehramtsstudium Physik. Analysen zu valider Testwertinterpretation.” <i>Zeitschrift für Pädagogik</i> 65, no. 4 (2019): 473–91. <a href=\"https://doi.org/10.25656/01:23990\">https://doi.org/10.25656/01:23990</a>.","apa":"Vogelsang, C., Borowski, A., Buschhüter, D., Enkrott, P., Kempin, M., Kulgemeyer, C., Reinhold, P., Riese, J., Schecker, H., &#38; Schröder, J. (2019). Entwicklung von Professionswissen und Unterrichtsperformanz im Lehramtsstudium Physik. Analysen zu valider Testwertinterpretation. <i>Zeitschrift für Pädagogik</i>, <i>65</i>(4), 473–491. <a href=\"https://doi.org/10.25656/01:23990\">https://doi.org/10.25656/01:23990</a>","ieee":"C. Vogelsang <i>et al.</i>, “Entwicklung von Professionswissen und Unterrichtsperformanz im Lehramtsstudium Physik. Analysen zu valider Testwertinterpretation,” <i>Zeitschrift für Pädagogik</i>, vol. 65, no. 4, pp. 473–491, 2019, doi: <a href=\"https://doi.org/10.25656/01:23990\">10.25656/01:23990</a>.","ama":"Vogelsang C, Borowski A, Buschhüter D, et al. Entwicklung von Professionswissen und Unterrichtsperformanz im Lehramtsstudium Physik. Analysen zu valider Testwertinterpretation. <i>Zeitschrift für Pädagogik</i>. 2019;65(4):473-491. doi:<a href=\"https://doi.org/10.25656/01:23990\">10.25656/01:23990</a>","bibtex":"@article{Vogelsang_Borowski_Buschhüter_Enkrott_Kempin_Kulgemeyer_Reinhold_Riese_Schecker_Schröder_2019, title={Entwicklung von Professionswissen und Unterrichtsperformanz im Lehramtsstudium Physik. Analysen zu valider Testwertinterpretation}, volume={65}, DOI={<a href=\"https://doi.org/10.25656/01:23990\">10.25656/01:23990</a>}, number={4}, journal={Zeitschrift für Pädagogik}, publisher={Beltz}, author={Vogelsang, Christoph and Borowski, Andreas and Buschhüter, David and Enkrott, Patrick and Kempin, Maren and Kulgemeyer, Christoph and Reinhold, Peter and Riese, Josef and Schecker, Horst and Schröder, Jan}, year={2019}, pages={473–491} }","mla":"Vogelsang, Christoph, et al. “Entwicklung von Professionswissen und Unterrichtsperformanz im Lehramtsstudium Physik. Analysen zu valider Testwertinterpretation.” <i>Zeitschrift für Pädagogik</i>, vol. 65, no. 4, Beltz, 2019, pp. 473–91, doi:<a href=\"https://doi.org/10.25656/01:23990\">10.25656/01:23990</a>."},"type":"journal_article","department":[{"_id":"299"},{"_id":"33"}],"date_created":"2023-05-22T15:25:21Z"},{"citation":{"ama":"Vogelsang C, Borowski A, Kulgemeyer C, et al. Performance-Oriented Testing and Training in Teacher Education. In: Zlatkin-Troitschanskaia O, Toepper M, Pant HA, Lautenbach C, Kuhn C, eds. <i>Student Learning Outcomes Assessment in Higher Education – Perspectives, Concepts and Approaches for Research, Transfer and Implementation (KoKoHs Working Papers, 12)</i>. ; 2019:40-43.","bibtex":"@inbook{Vogelsang_Borowski_Kulgemeyer_Riese_Reinhold_Schecker_Buschütter_Enkrott_Kempin_Schröder_2019, title={Performance-Oriented Testing and Training in Teacher Education}, booktitle={Student Learning Outcomes Assessment in Higher Education – Perspectives, Concepts and Approaches for Research, Transfer and Implementation (KoKoHs Working Papers, 12)}, author={Vogelsang, Christoph and Borowski, Andreas and Kulgemeyer, Christoph and Riese, Josef and Reinhold, Peter and Schecker, Horst and Buschütter, David and Enkrott, Patrick and Kempin, Maren and Schröder, Jan}, editor={Zlatkin-Troitschanskaia, Olga and Toepper, Miriam and Pant, Hans Anand and Lautenbach, Corinna and Kuhn, Christiane}, year={2019}, pages={40–43} }","mla":"Vogelsang, Christoph, et al. “Performance-Oriented Testing and Training in Teacher Education.” <i>Student Learning Outcomes Assessment in Higher Education – Perspectives, Concepts and Approaches for Research, Transfer and Implementation (KoKoHs Working Papers, 12)</i>, edited by Olga Zlatkin-Troitschanskaia et al., 2019, pp. 40–43.","short":"C. Vogelsang, A. Borowski, C. Kulgemeyer, J. Riese, P. Reinhold, H. Schecker, D. Buschütter, P. Enkrott, M. Kempin, J. Schröder, in: O. Zlatkin-Troitschanskaia, M. Toepper, H.A. Pant, C. Lautenbach, C. Kuhn (Eds.), Student Learning Outcomes Assessment in Higher Education – Perspectives, Concepts and Approaches for Research, Transfer and Implementation (KoKoHs Working Papers, 12), 2019, pp. 40–43.","chicago":"Vogelsang, Christoph, Andreas Borowski, Christoph Kulgemeyer, Josef Riese, Peter Reinhold, Horst Schecker, David Buschütter, Patrick Enkrott, Maren Kempin, and Jan Schröder. “Performance-Oriented Testing and Training in Teacher Education.” In <i>Student Learning Outcomes Assessment in Higher Education – Perspectives, Concepts and Approaches for Research, Transfer and Implementation (KoKoHs Working Papers, 12)</i>, edited by Olga Zlatkin-Troitschanskaia, Miriam Toepper, Hans Anand Pant, Corinna Lautenbach, and Christiane Kuhn, 40–43, 2019.","apa":"Vogelsang, C., Borowski, A., Kulgemeyer, C., Riese, J., Reinhold, P., Schecker, H., Buschütter, D., Enkrott, P., Kempin, M., &#38; Schröder, J. (2019). Performance-Oriented Testing and Training in Teacher Education. In O. Zlatkin-Troitschanskaia, M. Toepper, H. A. Pant, C. Lautenbach, &#38; C. Kuhn (Eds.), <i>Student Learning Outcomes Assessment in Higher Education – Perspectives, Concepts and Approaches for Research, Transfer and Implementation (KoKoHs Working Papers, 12)</i> (pp. 40–43).","ieee":"C. Vogelsang <i>et al.</i>, “Performance-Oriented Testing and Training in Teacher Education,” in <i>Student Learning Outcomes Assessment in Higher Education – Perspectives, Concepts and Approaches for Research, Transfer and Implementation (KoKoHs Working Papers, 12)</i>, O. Zlatkin-Troitschanskaia, M. Toepper, H. A. Pant, C. Lautenbach, and C. Kuhn, Eds. 2019, pp. 40–43."},"publication":"Student Learning Outcomes Assessment in Higher Education – Perspectives, Concepts and Approaches for Research, Transfer and Implementation (KoKoHs Working Papers, 12)","date_created":"2023-06-05T16:40:02Z","department":[{"_id":"299"},{"_id":"33"}],"type":"book_chapter","author":[{"full_name":"Vogelsang, Christoph","first_name":"Christoph","orcid":"0000-0002-5804-1855","last_name":"Vogelsang","id":"4245"},{"full_name":"Borowski, Andreas","first_name":"Andreas","last_name":"Borowski"},{"first_name":"Christoph","last_name":"Kulgemeyer","full_name":"Kulgemeyer, Christoph","id":"84533"},{"full_name":"Riese, Josef","first_name":"Josef","orcid":"0000-0003-2927-2619","last_name":"Riese","id":"429"},{"id":"416","full_name":"Reinhold, Peter","first_name":"Peter","last_name":"Reinhold"},{"full_name":"Schecker, Horst","first_name":"Horst","last_name":"Schecker"},{"full_name":"Buschütter, David","first_name":"David","last_name":"Buschütter"},{"first_name":"Patrick","last_name":"Enkrott","full_name":"Enkrott, Patrick"},{"full_name":"Kempin, Maren","first_name":"Maren","last_name":"Kempin"},{"full_name":"Schröder, Jan","last_name":"Schröder","first_name":"Jan"}],"status":"public","year":"2019","title":"Performance-Oriented Testing and Training in Teacher Education","date_updated":"2025-12-03T09:13:40Z","_id":"45471","language":[{"iso":"eng"}],"page":"40-43","editor":[{"last_name":"Zlatkin-Troitschanskaia","first_name":"Olga","full_name":"Zlatkin-Troitschanskaia, Olga"},{"full_name":"Toepper, Miriam","first_name":"Miriam","last_name":"Toepper"},{"full_name":"Pant, Hans Anand","last_name":"Pant","first_name":"Hans Anand"},{"full_name":"Lautenbach, Corinna","first_name":"Corinna","last_name":"Lautenbach"},{"first_name":"Christiane","last_name":"Kuhn","full_name":"Kuhn, Christiane"}],"user_id":"4245"},{"date_created":"2023-06-05T17:57:09Z","type":"conference","department":[{"_id":"299"},{"_id":"33"}],"publication":"Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018","citation":{"short":"C. Vogelsang, J. Riese, A. Borowski, C. Kulgemeyer, in: C. Maurer (Ed.), Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018, 2019, pp. 345–348.","chicago":"Vogelsang, Christoph, Josef Riese, Andreas Borowski, and Christoph Kulgemeyer. “Profile-P+: Kompetenz und Performanz im Lehramtsstudium Physik.” In <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018</i>, edited by Christian Maurer, 39:345–48, 2019.","apa":"Vogelsang, C., Riese, J., Borowski, A., &#38; Kulgemeyer, C. (2019). Profile-P+: Kompetenz und Performanz im Lehramtsstudium Physik. In C. Maurer (Ed.), <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018</i> (Vol. 39, pp. 345–348).","ieee":"C. Vogelsang, J. Riese, A. Borowski, and C. Kulgemeyer, “Profile-P+: Kompetenz und Performanz im Lehramtsstudium Physik,” in <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018</i>, 2019, vol. 39, pp. 345–348.","ama":"Vogelsang C, Riese J, Borowski A, Kulgemeyer C. Profile-P+: Kompetenz und Performanz im Lehramtsstudium Physik. In: Maurer C, ed. <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018</i>. Vol 39. ; 2019:345-348.","bibtex":"@inproceedings{Vogelsang_Riese_Borowski_Kulgemeyer_2019, title={Profile-P+: Kompetenz und Performanz im Lehramtsstudium Physik}, volume={39}, booktitle={Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018}, author={Vogelsang, Christoph and Riese, Josef and Borowski, Andreas and Kulgemeyer, Christoph}, editor={Maurer, Christian}, year={2019}, pages={345–348} }","mla":"Vogelsang, Christoph, et al. “Profile-P+: Kompetenz und Performanz im Lehramtsstudium Physik.” <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018</i>, edited by Christian Maurer, vol. 39, 2019, pp. 345–48."},"page":"345-348","language":[{"iso":"ger"}],"_id":"45478","user_id":"4245","volume":39,"editor":[{"full_name":"Maurer, Christian","first_name":"Christian","last_name":"Maurer"}],"title":"Profile-P+: Kompetenz und Performanz im Lehramtsstudium Physik","year":"2019","status":"public","author":[{"id":"4245","first_name":"Christoph","orcid":"0000-0002-5804-1855","last_name":"Vogelsang","full_name":"Vogelsang, Christoph"},{"full_name":"Riese, Josef","last_name":"Riese","orcid":"0000-0003-2927-2619","first_name":"Josef","id":"429"},{"first_name":"Andreas","last_name":"Borowski","full_name":"Borowski, Andreas"},{"id":"84533","last_name":"Kulgemeyer","first_name":"Christoph","full_name":"Kulgemeyer, Christoph"}],"date_updated":"2025-12-03T09:13:56Z","intvolume":"        39"},{"date_created":"2023-06-05T17:54:11Z","type":"conference","department":[{"_id":"299"},{"_id":"33"}],"publication":"Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018","citation":{"mla":"Schröder, Jan, et al. “Erfassung der Fähigkeit zur Unterrichtsplanung im Physikunterricht.” <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018</i>, edited by Christian Maurer, vol. 39, 2019, pp. 353–56.","ama":"Schröder J, Vogelsang C, Riese J. Erfassung der Fähigkeit zur Unterrichtsplanung im Physikunterricht. In: Maurer C, ed. <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018</i>. Vol 39. ; 2019:353-356.","bibtex":"@inproceedings{Schröder_Vogelsang_Riese_2019, title={Erfassung der Fähigkeit zur Unterrichtsplanung im Physikunterricht}, volume={39}, booktitle={Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018}, author={Schröder, Jan and Vogelsang, Christoph and Riese, Josef}, editor={Maurer, Christian}, year={2019}, pages={353–356} }","apa":"Schröder, J., Vogelsang, C., &#38; Riese, J. (2019). Erfassung der Fähigkeit zur Unterrichtsplanung im Physikunterricht. In C. Maurer (Ed.), <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018</i> (Vol. 39, pp. 353–356).","ieee":"J. Schröder, C. Vogelsang, and J. Riese, “Erfassung der Fähigkeit zur Unterrichtsplanung im Physikunterricht,” in <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018</i>, 2019, vol. 39, pp. 353–356.","chicago":"Schröder, Jan, Christoph Vogelsang, and Josef Riese. “Erfassung der Fähigkeit zur Unterrichtsplanung im Physikunterricht.” In <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018</i>, edited by Christian Maurer, 39:353–56, 2019.","short":"J. Schröder, C. Vogelsang, J. Riese, in: C. Maurer (Ed.), Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik. Jahrestagung in Kiel 2018, 2019, pp. 353–356."},"page":"353-356","_id":"45477","language":[{"iso":"ger"}],"user_id":"4245","volume":39,"editor":[{"full_name":"Maurer, Christian","last_name":"Maurer","first_name":"Christian"}],"status":"public","title":"Erfassung der Fähigkeit zur Unterrichtsplanung im Physikunterricht","year":"2019","author":[{"full_name":"Schröder, Jan","first_name":"Jan","last_name":"Schröder"},{"id":"4245","last_name":"Vogelsang","orcid":"0000-0002-5804-1855","first_name":"Christoph","full_name":"Vogelsang, Christoph"},{"id":"429","first_name":"Josef","orcid":"0000-0003-2927-2619","last_name":"Riese","full_name":"Riese, Josef"}],"date_updated":"2025-12-03T09:13:49Z","intvolume":"        39"},{"quality_controlled":"1","citation":{"ama":"Schowtjak A, Wang S, Hering O, et al. Prediction and analysis of damage evolution during caliber rolling and subsequent cold forward extrusion. <i>Production Engineering</i>. 2019;14(1):33-41. doi:<a href=\"https://doi.org/10.1007/s11740-019-00935-x\">10.1007/s11740-019-00935-x</a>","short":"A. Schowtjak, S. Wang, O. Hering, T. Clausmeyer, J. Lohmar, R. Schulte, R. Ostwald, G. Hirt, A.E. Tekkaya, Production Engineering 14 (2019) 33–41.","chicago":"Schowtjak, Alexander, Shuhan Wang, Oliver Hering, Till Clausmeyer, Johannes Lohmar, Robin Schulte, Richard Ostwald, Gerhard Hirt, and A. Erman Tekkaya. “Prediction and Analysis of Damage Evolution during Caliber Rolling and Subsequent Cold Forward Extrusion.” <i>Production Engineering</i> 14, no. 1 (2019): 33–41. <a href=\"https://doi.org/10.1007/s11740-019-00935-x\">https://doi.org/10.1007/s11740-019-00935-x</a>.","bibtex":"@article{Schowtjak_Wang_Hering_Clausmeyer_Lohmar_Schulte_Ostwald_Hirt_Tekkaya_2019, title={Prediction and analysis of damage evolution during caliber rolling and subsequent cold forward extrusion}, volume={14}, DOI={<a href=\"https://doi.org/10.1007/s11740-019-00935-x\">10.1007/s11740-019-00935-x</a>}, number={1}, journal={Production Engineering}, publisher={Springer Science and Business Media LLC}, author={Schowtjak, Alexander and Wang, Shuhan and Hering, Oliver and Clausmeyer, Till and Lohmar, Johannes and Schulte, Robin and Ostwald, Richard and Hirt, Gerhard and Tekkaya, A. Erman}, year={2019}, pages={33–41} }","apa":"Schowtjak, A., Wang, S., Hering, O., Clausmeyer, T., Lohmar, J., Schulte, R., Ostwald, R., Hirt, G., &#38; Tekkaya, A. E. (2019). Prediction and analysis of damage evolution during caliber rolling and subsequent cold forward extrusion. <i>Production Engineering</i>, <i>14</i>(1), 33–41. <a href=\"https://doi.org/10.1007/s11740-019-00935-x\">https://doi.org/10.1007/s11740-019-00935-x</a>","mla":"Schowtjak, Alexander, et al. “Prediction and Analysis of Damage Evolution during Caliber Rolling and Subsequent Cold Forward Extrusion.” <i>Production Engineering</i>, vol. 14, no. 1, Springer Science and Business Media LLC, 2019, pp. 33–41, doi:<a href=\"https://doi.org/10.1007/s11740-019-00935-x\">10.1007/s11740-019-00935-x</a>.","ieee":"A. Schowtjak <i>et al.</i>, “Prediction and analysis of damage evolution during caliber rolling and subsequent cold forward extrusion,” <i>Production Engineering</i>, vol. 14, no. 1, pp. 33–41, 2019, doi: <a href=\"https://doi.org/10.1007/s11740-019-00935-x\">10.1007/s11740-019-00935-x</a>."},"user_id":"85414","volume":14,"page":"33-41","publisher":"Springer Science and Business Media LLC","_id":"62775","status":"public","type":"journal_article","department":[{"_id":"952"},{"_id":"321"}],"date_created":"2025-12-03T12:56:37Z","publication":"Production Engineering","issue":"1","doi":"10.1007/s11740-019-00935-x","language":[{"iso":"eng"}],"date_updated":"2025-12-03T12:57:33Z","publication_status":"published","intvolume":"        14","title":"Prediction and analysis of damage evolution during caliber rolling and subsequent cold forward extrusion","year":"2019","author":[{"first_name":"Alexander","last_name":"Schowtjak","full_name":"Schowtjak, Alexander"},{"last_name":"Wang","first_name":"Shuhan","full_name":"Wang, Shuhan"},{"full_name":"Hering, Oliver","first_name":"Oliver","last_name":"Hering"},{"full_name":"Clausmeyer, Till","last_name":"Clausmeyer","first_name":"Till"},{"full_name":"Lohmar, Johannes","last_name":"Lohmar","first_name":"Johannes"},{"full_name":"Schulte, Robin","last_name":"Schulte","first_name":"Robin"},{"orcid":"0000-0003-2147-8444","first_name":"Richard","last_name":"Ostwald","full_name":"Ostwald, Richard","id":"106876"},{"full_name":"Hirt, Gerhard","last_name":"Hirt","first_name":"Gerhard"},{"full_name":"Tekkaya, A. Erman","last_name":"Tekkaya","first_name":"A. Erman"}],"publication_identifier":{"issn":["0944-6524","1863-7353"]}},{"user_id":"85414","volume":64,"page":"847-877","_id":"62779","publisher":"Springer Science and Business Media LLC","status":"public","quality_controlled":"1","citation":{"apa":"Ostwald, R., Kuhl, E., &#38; Menzel, A. (2019). On the implementation of finite deformation gradient-enhanced damage models. <i>Computational Mechanics</i>, <i>64</i>(3), 847–877. <a href=\"https://doi.org/10.1007/s00466-019-01684-5\">https://doi.org/10.1007/s00466-019-01684-5</a>","ieee":"R. Ostwald, E. Kuhl, and A. Menzel, “On the implementation of finite deformation gradient-enhanced damage models,” <i>Computational Mechanics</i>, vol. 64, no. 3, pp. 847–877, 2019, doi: <a href=\"https://doi.org/10.1007/s00466-019-01684-5\">10.1007/s00466-019-01684-5</a>.","chicago":"Ostwald, Richard, Ellen Kuhl, and Andreas Menzel. “On the Implementation of Finite Deformation Gradient-Enhanced Damage Models.” <i>Computational Mechanics</i> 64, no. 3 (2019): 847–77. <a href=\"https://doi.org/10.1007/s00466-019-01684-5\">https://doi.org/10.1007/s00466-019-01684-5</a>.","short":"R. Ostwald, E. Kuhl, A. Menzel, Computational Mechanics 64 (2019) 847–877.","mla":"Ostwald, Richard, et al. “On the Implementation of Finite Deformation Gradient-Enhanced Damage Models.” <i>Computational Mechanics</i>, vol. 64, no. 3, Springer Science and Business Media LLC, 2019, pp. 847–77, doi:<a href=\"https://doi.org/10.1007/s00466-019-01684-5\">10.1007/s00466-019-01684-5</a>.","ama":"Ostwald R, Kuhl E, Menzel A. On the implementation of finite deformation gradient-enhanced damage models. <i>Computational Mechanics</i>. 2019;64(3):847-877. doi:<a href=\"https://doi.org/10.1007/s00466-019-01684-5\">10.1007/s00466-019-01684-5</a>","bibtex":"@article{Ostwald_Kuhl_Menzel_2019, title={On the implementation of finite deformation gradient-enhanced damage models}, volume={64}, DOI={<a href=\"https://doi.org/10.1007/s00466-019-01684-5\">10.1007/s00466-019-01684-5</a>}, number={3}, journal={Computational Mechanics}, publisher={Springer Science and Business Media LLC}, author={Ostwald, Richard and Kuhl, Ellen and Menzel, Andreas}, year={2019}, pages={847–877} }"},"doi":"10.1007/s00466-019-01684-5","language":[{"iso":"eng"}],"date_updated":"2025-12-03T13:03:51Z","publication_status":"published","intvolume":"        64","title":"On the implementation of finite deformation gradient-enhanced damage models","year":"2019","author":[{"id":"106876","full_name":"Ostwald, Richard","first_name":"Richard","last_name":"Ostwald","orcid":"0000-0003-2147-8444"},{"full_name":"Kuhl, Ellen","first_name":"Ellen","last_name":"Kuhl"},{"first_name":"Andreas","last_name":"Menzel","full_name":"Menzel, Andreas"}],"publication_identifier":{"issn":["0178-7675","1432-0924"]},"type":"journal_article","department":[{"_id":"952"},{"_id":"321"}],"date_created":"2025-12-03T13:02:41Z","issue":"3","publication":"Computational Mechanics"},{"editor":[{"last_name":"Levrini","first_name":"Olivia","full_name":"Levrini, Olivia"},{"last_name":"Tasquir","first_name":"Giulia","full_name":"Tasquir, Giulia"},{"full_name":"Kaya, Ebru","first_name":"Ebru","last_name":"Kaya"},{"last_name":"Vesterinen","first_name":"Veli-Matti","full_name":"Vesterinen, Veli-Matti"}],"user_id":"54823","ddc":["370"],"publisher":"ALMA MATER STUDIORUM - University of Bologna","_id":"23756","page":"751-759","has_accepted_license":"1","conference":{"location":"Bologna","start_date":"2019-08-26","name":"ESERA 2019 Conference. The beauty and pleasure of understanding: engaging with contemporary challenges through science education,","end_date":"2019-08-30"},"status":"public","place":"Bologna","quality_controlled":"1","citation":{"mla":"Pollmeier, Pascal, and Sabine Fechner. “Creativity in Data Analysis through Confrontation with Anomalous Data.” <i>The Beauty and Pleasure of Understanding: Engaging with Contemporary Challenges through Science Education. Electronic Proceedings of the ESERA 2019 Conference. </i>, edited by Olivia Levrini et al., ALMA MATER STUDIORUM - University of Bologna, 2019, pp. 751–59.","ama":"Pollmeier P, Fechner S. Creativity in data analysis through confrontation with anomalous data. In: Levrini O, Tasquir G, Kaya E, Vesterinen V-M, eds. <i>The Beauty and Pleasure of Understanding: Engaging with Contemporary Challenges through Science Education. Electronic Proceedings of the ESERA 2019 Conference. </i>. ALMA MATER STUDIORUM - University of Bologna; 2019:751-759.","bibtex":"@inproceedings{Pollmeier_Fechner_2019, place={Bologna}, title={Creativity in data analysis through confrontation with anomalous data}, booktitle={The beauty and pleasure of understanding: engaging with contemporary challenges through science education. Electronic Proceedings of the ESERA 2019 Conference. }, publisher={ALMA MATER STUDIORUM - University of Bologna}, author={Pollmeier, Pascal and Fechner, Sabine}, editor={Levrini, Olivia and Tasquir, Giulia and Kaya, Ebru and Vesterinen, Veli-Matti}, year={2019}, pages={751–759} }","apa":"Pollmeier, P., &#38; Fechner, S. (2019). Creativity in data analysis through confrontation with anomalous data. In O. Levrini, G. Tasquir, E. Kaya, &#38; V.-M. Vesterinen (Eds.), <i>The beauty and pleasure of understanding: engaging with contemporary challenges through science education. Electronic Proceedings of the ESERA 2019 Conference. </i> (pp. 751–759). ALMA MATER STUDIORUM - University of Bologna.","ieee":"P. Pollmeier and S. Fechner, “Creativity in data analysis through confrontation with anomalous data,” in <i>The beauty and pleasure of understanding: engaging with contemporary challenges through science education. Electronic Proceedings of the ESERA 2019 Conference. </i>, Bologna, 2019, pp. 751–759.","short":"P. Pollmeier, S. Fechner, in: O. Levrini, G. Tasquir, E. Kaya, V.-M. Vesterinen (Eds.), The Beauty and Pleasure of Understanding: Engaging with Contemporary Challenges through Science Education. Electronic Proceedings of the ESERA 2019 Conference. , ALMA MATER STUDIORUM - University of Bologna, Bologna, 2019, pp. 751–759.","chicago":"Pollmeier, Pascal, and Sabine Fechner. “Creativity in Data Analysis through Confrontation with Anomalous Data.” In <i>The Beauty and Pleasure of Understanding: Engaging with Contemporary Challenges through Science Education. Electronic Proceedings of the ESERA 2019 Conference. </i>, edited by Olivia Levrini, Giulia Tasquir, Ebru Kaya, and Veli-Matti Vesterinen, 751–59. Bologna: ALMA MATER STUDIORUM - University of Bologna, 2019."},"language":[{"iso":"eng"}],"publication_status":"published","date_updated":"2025-12-03T18:11:41Z","author":[{"id":"44191","last_name":"Pollmeier","first_name":"Pascal","full_name":"Pollmeier, Pascal"},{"full_name":"Fechner, Sabine","last_name":"Fechner","first_name":"Sabine","orcid":"0000-0001-5645-5870","id":"54823"}],"publication_identifier":{"unknown":["978-88-945874-0-1"]},"year":"2019","title":"Creativity in data analysis through confrontation with anomalous data","department":[{"_id":"386"}],"type":"conference","keyword":["epistemology","conceptual change","anomalous data"],"date_created":"2021-09-03T12:45:24Z","abstract":[{"lang":"eng","text":"Creativity is perceived to be one of the core competences to succeed in the modern world. It is\r\nconnected to art, music, dancing, etc., but there is just little insight into the role of creativity in\r\nscience. As data analysis plays a major role in science, creative thinking has to be used to form\r\ntheories out of observations. This study uses models-of-data to represent the mental model of\r\nthe students. Within models-of-data different observations and previous knowledge are linked\r\nthrough different types of links, e.g. causal links. The goal of this study was to examine the\r\ncreative aspect of data evaluation in presence of anomalous data. The students were confronted\r\nwith two experiments which contradicted each other with regard to the underlying theory.\r\nAfterwards the students were asked to decide about their favored theory and reasoning about\r\ntheir choice in their lab reports. The model-of-data, which was reconstructed from the lab\r\nreports of the students, was used to extract creative aspects in the mental modelling process.\r\nFurthermore, a pre-post-questionnaire on epistemological beliefs of the students was\r\nconducted. Students mostly acquired an unscientific view on epistemology in school. The\r\nquestion was whether the confrontation with anomalous data and the triggering of creative\r\nmodelling processes have any influence on this.\r\nThe results show that most students did not take anomalous data into account in their modelling\r\nprocesses. They did either not recognise or just ignore the data. Just a few students worked on\r\ntheir theory because of the new, contradictory data. The students working on their theory\r\nscored higher in the post-questionnaire, so a positive effect of creativity on scientific\r\nepistemology can be assumed. Thus, creativity obviously gets a part of science and should be\r\ntaught in school science in order to make students aware of their own creative potential."}],"publication":"The beauty and pleasure of understanding: engaging with contemporary challenges through science education. Electronic Proceedings of the ESERA 2019 Conference. "},{"external_id":{"pmid":["30874642"]},"citation":{"apa":"Driben, R., Ma, X., Schumacher, S., &#38; Meier, T. (2019). Bloch oscillations of multidimensional dark soliton wave packets and light bullets. <i>Optics Letters</i>, <i>44</i>(6), 1327–1330. <a href=\"https://doi.org/10.1364/ol.44.001327\">https://doi.org/10.1364/ol.44.001327</a>","ieee":"R. Driben, X. Ma, S. Schumacher, and T. Meier, “Bloch oscillations of multidimensional dark soliton wave packets and light bullets,” <i>Optics Letters</i>, vol. 44, no. 6, pp. 1327–1330, 2019, doi: <a href=\"https://doi.org/10.1364/ol.44.001327\">10.1364/ol.44.001327</a>.","short":"R. Driben, X. Ma, S. Schumacher, T. Meier, Optics Letters 44 (2019) 1327–1330.","chicago":"Driben, R, Xuekai Ma, Stefan Schumacher, and Torsten Meier. “Bloch Oscillations of Multidimensional Dark Soliton Wave Packets and Light Bullets.” <i>Optics Letters</i> 44, no. 6 (2019): 1327–30. <a href=\"https://doi.org/10.1364/ol.44.001327\">https://doi.org/10.1364/ol.44.001327</a>.","mla":"Driben, R., et al. “Bloch Oscillations of Multidimensional Dark Soliton Wave Packets and Light Bullets.” <i>Optics Letters</i>, vol. 44, no. 6, 2019, pp. 1327–30, doi:<a href=\"https://doi.org/10.1364/ol.44.001327\">10.1364/ol.44.001327</a>.","ama":"Driben R, Ma X, Schumacher S, Meier T. Bloch oscillations of multidimensional dark soliton wave packets and light bullets. <i>Optics Letters</i>. 2019;44(6):1327-1330. doi:<a href=\"https://doi.org/10.1364/ol.44.001327\">10.1364/ol.44.001327</a>","bibtex":"@article{Driben_Ma_Schumacher_Meier_2019, title={Bloch oscillations of multidimensional dark soliton wave packets and light bullets}, volume={44}, DOI={<a href=\"https://doi.org/10.1364/ol.44.001327\">10.1364/ol.44.001327</a>}, number={6}, journal={Optics Letters}, author={Driben, R and Ma, Xuekai and Schumacher, Stefan and Meier, Torsten}, year={2019}, pages={1327–1330} }"},"project":[{"name":"TRR 142","_id":"53"},{"_id":"54","name":"TRR 142 - Project Area A"},{"_id":"61","name":"TRR 142 - Subproject A4"},{"_id":"53","name":"TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen"}],"_id":"20578","page":"1327-1330","volume":44,"user_id":"16199","status":"public","date_created":"2020-12-02T08:58:21Z","department":[{"_id":"15"},{"_id":"170"},{"_id":"230"},{"_id":"429"},{"_id":"297"},{"_id":"705"},{"_id":"35"},{"_id":"293"}],"type":"journal_article","publication":"Optics Letters","issue":"6","language":[{"iso":"eng"}],"doi":"10.1364/ol.44.001327","pmid":"1","author":[{"first_name":"R","last_name":"Driben","full_name":"Driben, R"},{"last_name":"Ma","first_name":"Xuekai","full_name":"Ma, Xuekai","id":"59416"},{"full_name":"Schumacher, Stefan","orcid":"0000-0003-4042-4951","last_name":"Schumacher","first_name":"Stefan","id":"27271"},{"id":"344","last_name":"Meier","orcid":"0000-0001-8864-2072","first_name":"Torsten","full_name":"Meier, Torsten"}],"publication_identifier":{"issn":["0146-9592","1539-4794"]},"year":"2019","title":"Bloch oscillations of multidimensional dark soliton wave packets and light bullets","intvolume":"        44","article_type":"original","date_updated":"2025-12-05T13:45:12Z","publication_status":"published"},{"doi":"10.1088/1367-2630/ab5a9b","user_id":"16199","volume":21,"article_number":"123008","_id":"15851","language":[{"iso":"eng"}],"date_updated":"2025-12-05T13:53:04Z","publication_status":"published","intvolume":"        21","year":"2019","title":"Controllable high-speed polariton waves in a PT-symmetric lattice","status":"public","publication_identifier":{"issn":["1367-2630"]},"author":[{"full_name":"Ma, Xuekai","first_name":"Xuekai","last_name":"Ma","id":"59416"},{"last_name":"Kartashov","first_name":"Yaroslav Y","full_name":"Kartashov, Yaroslav Y"},{"full_name":"Gao, Tingge","last_name":"Gao","first_name":"Tingge"},{"id":"27271","last_name":"Schumacher","first_name":"Stefan","orcid":"0000-0003-4042-4951","full_name":"Schumacher, Stefan"}],"type":"journal_article","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"705"},{"_id":"230"},{"_id":"35"},{"_id":"27"}],"date_created":"2020-02-10T11:35:57Z","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"publication":"New Journal of Physics","citation":{"mla":"Ma, Xuekai, et al. “Controllable High-Speed Polariton Waves in a PT-Symmetric Lattice.” <i>New Journal of Physics</i>, vol. 21, 123008, 2019, doi:<a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">10.1088/1367-2630/ab5a9b</a>.","ama":"Ma X, Kartashov YY, Gao T, Schumacher S. Controllable high-speed polariton waves in a PT-symmetric lattice. <i>New Journal of Physics</i>. 2019;21. doi:<a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">10.1088/1367-2630/ab5a9b</a>","bibtex":"@article{Ma_Kartashov_Gao_Schumacher_2019, title={Controllable high-speed polariton waves in a PT-symmetric lattice}, volume={21}, DOI={<a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">10.1088/1367-2630/ab5a9b</a>}, number={123008}, journal={New Journal of Physics}, author={Ma, Xuekai and Kartashov, Yaroslav Y and Gao, Tingge and Schumacher, Stefan}, year={2019} }","apa":"Ma, X., Kartashov, Y. Y., Gao, T., &#38; Schumacher, S. (2019). Controllable high-speed polariton waves in a PT-symmetric lattice. <i>New Journal of Physics</i>, <i>21</i>, Article 123008. <a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">https://doi.org/10.1088/1367-2630/ab5a9b</a>","ieee":"X. Ma, Y. Y. Kartashov, T. Gao, and S. Schumacher, “Controllable high-speed polariton waves in a PT-symmetric lattice,” <i>New Journal of Physics</i>, vol. 21, Art. no. 123008, 2019, doi: <a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">10.1088/1367-2630/ab5a9b</a>.","short":"X. Ma, Y.Y. Kartashov, T. Gao, S. Schumacher, New Journal of Physics 21 (2019).","chicago":"Ma, Xuekai, Yaroslav Y Kartashov, Tingge Gao, and Stefan Schumacher. “Controllable High-Speed Polariton Waves in a PT-Symmetric Lattice.” <i>New Journal of Physics</i> 21 (2019). <a href=\"https://doi.org/10.1088/1367-2630/ab5a9b\">https://doi.org/10.1088/1367-2630/ab5a9b</a>."}},{"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"abstract":[{"lang":"eng","text":"Spontaneous formation of transverse patterns is ubiquitous in nonlinear\r\ndynamical systems of all kinds. An aspect of particular interest is the active\r\ncontrol of such patterns. In nonlinear optical systems this can be used for\r\nall-optical switching with transistor-like performance, for example realized\r\nwith polaritons in a planar quantum-well semiconductor microcavity. Here we\r\nfocus on a specific configuration which takes advantage of the intricate\r\npolarization dependencies in the interacting optically driven polariton system.\r\nBesides detailed numerical simulations of the coupled light-field exciton\r\ndynamics, in the present paper we focus on the derivation of a simplified\r\npopulation competition model giving detailed insight into the underlying\r\nmechanisms from a nonlinear dynamical systems perspective. We show that such a\r\nmodel takes the form of a generalized Lotka-Volterra system for two competing\r\npopulations explicitly including a source term that enables external control.\r\nWe present a comprehensive analysis both of the existence and stability of\r\nstationary states in the parameter space spanned by spatial anisotropy and\r\nexternal control strength. We also construct phase boundaries in non-trivial\r\nregions and characterize emerging bifurcations. The population competition\r\nmodel reproduces all key features of the switching observed in full numerical\r\nsimulations of the rather complex semiconductor system and at the same time is\r\nsimple enough for a fully analytical understanding of the system dynamics."}],"citation":{"ama":"Pukrop M, Schumacher S. Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid. <i>arXiv:190312534</i>. Published online 2019.","bibtex":"@article{Pukrop_Schumacher_2019, title={Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid}, journal={arXiv:1903.12534}, author={Pukrop, Matthias and Schumacher, Stefan}, year={2019} }","mla":"Pukrop, Matthias, and Stefan Schumacher. “Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid.” <i>ArXiv:1903.12534</i>, 2019.","short":"M. Pukrop, S. Schumacher, ArXiv:1903.12534 (2019).","chicago":"Pukrop, Matthias, and Stefan Schumacher. “Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid.” <i>ArXiv:1903.12534</i>, 2019.","apa":"Pukrop, M., &#38; Schumacher, S. (2019). Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid. In <i>arXiv:1903.12534</i>.","ieee":"M. Pukrop and S. Schumacher, “Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid,” <i>arXiv:1903.12534</i>. 2019."},"publication":"arXiv:1903.12534","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"230"},{"_id":"35"},{"_id":"27"}],"type":"preprint","date_created":"2019-09-19T13:18:47Z","date_updated":"2025-12-05T14:30:36Z","author":[{"full_name":"Pukrop, Matthias","first_name":"Matthias","last_name":"Pukrop"},{"id":"27271","full_name":"Schumacher, Stefan","first_name":"Stefan","orcid":"0000-0003-4042-4951","last_name":"Schumacher"}],"title":"Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized  Polariton Fluid","year":"2019","status":"public","user_id":"16199","_id":"13340","language":[{"iso":"eng"}]},{"abstract":[{"lang":"eng","text":"<jats:p>&lt;div&gt;\r\n\t\t\t&lt;div&gt;\r\n\t\t\t\t&lt;div&gt;\r\n\t\t\t\t\t&lt;p&gt;Molecular doping in conjugated polymers is a crucial process for their application in organic\r\nphotovoltaics and optoelectronics. In the present work we theoretically investigate p-type molecu-\r\nlar doping in a series of (poly[2,6-(4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b;3,4-b”]dithiophene)-alt-\r\n4,7-(2,1,3-benzothiadiazole)] (PCPDT-BT) conjugated oligomers with different lengths and three\r\nwidely-used dopants with different electron affinities, namely F4TCNQ, F6TCNNQ, and CN6-CP.\r\nWe study in detail the molecular geometry of possible oligomer-dopant complexes and its influence\r\non the doping mechanisms and electronic system properties. We find that the mechanisms of dop-\r\ning and charge transfer observed sensitively depend on the specific geometry of the oligomer-dopant\r\ncomplexes. For a given complex different geometries may exist, some of which show transfer of\r\nan entire electron from the oligomer chain onto the dopant molecule resulting in an integer-charge\r\ntransfer complex, leaving the system in a ground state with broken spin symmetry. In other ge-\r\nometries merely hybridization of oligomer and dopant frontier orbitals occurs with partial charge\r\ntransfer but spin-symmetric ground state. Considering the resulting electronic density of states both\r\ncases may well contribute to an increased electrical conductivity of corresponding film samples while\r\nthe underlying physical mechanisms are entirely different.\r\n&lt;/p&gt;\r\n\t\t\t\t&lt;/div&gt;\r\n\t\t\t&lt;/div&gt;\r\n\t\t&lt;/div&gt;</jats:p>"}],"project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"citation":{"bibtex":"@article{Dong_Schumacher_2019, title={Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer}, author={Dong, Chuan-Ding and Schumacher, Stefan}, year={2019} }","chicago":"Dong, Chuan-Ding, and Stefan Schumacher. “Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer,” 2019.","short":"C.-D. Dong, S. Schumacher, (2019).","ama":"Dong C-D, Schumacher S. Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer. Published online 2019.","ieee":"C.-D. Dong and S. Schumacher, “Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer.” 2019.","mla":"Dong, Chuan-Ding, and Stefan Schumacher. <i>Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer</i>. 2019.","apa":"Dong, C.-D., &#38; Schumacher, S. (2019). <i>Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer</i>."},"type":"preprint","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"230"},{"_id":"35"},{"_id":"27"}],"date_created":"2019-09-19T13:44:34Z","date_updated":"2025-12-05T14:31:11Z","publication_status":"published","status":"public","title":"Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer","year":"2019","author":[{"first_name":"Chuan-Ding","last_name":"Dong","full_name":"Dong, Chuan-Ding","id":"67188"},{"full_name":"Schumacher, Stefan","first_name":"Stefan","orcid":"0000-0003-4042-4951","last_name":"Schumacher","id":"27271"}],"user_id":"16199","language":[{"iso":"eng"}],"_id":"13347"},{"date_updated":"2025-12-05T14:29:56Z","publication_status":"published","intvolume":"       123","title":"Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis","year":"2019","author":[{"full_name":"Vollbrecht, Joachim","last_name":"Vollbrecht","first_name":"Joachim"},{"full_name":"Wiebeler, Christian","first_name":"Christian","last_name":"Wiebeler"},{"full_name":"Bock, Harald","last_name":"Bock","first_name":"Harald"},{"id":"27271","last_name":"Schumacher","orcid":"0000-0003-4042-4951","first_name":"Stefan","full_name":"Schumacher, Stefan"},{"last_name":"Kitzerow","first_name":"Heinz-Siegfried","full_name":"Kitzerow, Heinz-Siegfried","id":"254"}],"publication_identifier":{"issn":["1932-7447","1932-7455"]},"doi":"10.1021/acs.jpcc.8b10730","language":[{"iso":"eng"}],"issue":"7","publication":"The Journal of Physical Chemistry C","type":"journal_article","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"313"},{"_id":"230"},{"_id":"35"},{"_id":"27"},{"_id":"2"}],"date_created":"2019-09-19T13:36:01Z","status":"public","user_id":"16199","volume":123,"page":"4483-4492","_id":"13343","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"citation":{"bibtex":"@article{Vollbrecht_Wiebeler_Bock_Schumacher_Kitzerow_2019, title={Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis}, volume={123}, DOI={<a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">10.1021/acs.jpcc.8b10730</a>}, number={7}, journal={The Journal of Physical Chemistry C}, author={Vollbrecht, Joachim and Wiebeler, Christian and Bock, Harald and Schumacher, Stefan and Kitzerow, Heinz-Siegfried}, year={2019}, pages={4483–4492} }","ama":"Vollbrecht J, Wiebeler C, Bock H, Schumacher S, Kitzerow H-S. Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis. <i>The Journal of Physical Chemistry C</i>. 2019;123(7):4483-4492. doi:<a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">10.1021/acs.jpcc.8b10730</a>","mla":"Vollbrecht, Joachim, et al. “Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis.” <i>The Journal of Physical Chemistry C</i>, vol. 123, no. 7, 2019, pp. 4483–92, doi:<a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">10.1021/acs.jpcc.8b10730</a>.","chicago":"Vollbrecht, Joachim, Christian Wiebeler, Harald Bock, Stefan Schumacher, and Heinz-Siegfried Kitzerow. “Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis.” <i>The Journal of Physical Chemistry C</i> 123, no. 7 (2019): 4483–92. <a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">https://doi.org/10.1021/acs.jpcc.8b10730</a>.","short":"J. Vollbrecht, C. Wiebeler, H. Bock, S. Schumacher, H.-S. Kitzerow, The Journal of Physical Chemistry C 123 (2019) 4483–4492.","ieee":"J. Vollbrecht, C. Wiebeler, H. Bock, S. Schumacher, and H.-S. Kitzerow, “Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis,” <i>The Journal of Physical Chemistry C</i>, vol. 123, no. 7, pp. 4483–4492, 2019, doi: <a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">10.1021/acs.jpcc.8b10730</a>.","apa":"Vollbrecht, J., Wiebeler, C., Bock, H., Schumacher, S., &#38; Kitzerow, H.-S. (2019). Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis. <i>The Journal of Physical Chemistry C</i>, <i>123</i>(7), 4483–4492. <a href=\"https://doi.org/10.1021/acs.jpcc.8b10730\">https://doi.org/10.1021/acs.jpcc.8b10730</a>"}},{"page":"21-40","_id":"50496","user_id":"31513","status":"public","oa":"1","citation":{"chicago":"Riedl, Lars, Peter \tEhnold, and Torsten  Schlesinger. “Digitalisierung im organisierten Sport. Eine Analyse zur Nutzung digitaler Instrumente in Sportvereinen.” <i>Sciamus - Sport und Management</i>, no. 4 (2019): 21–40. <a href=\"https://doi.org/10.24403/jp.1016426\">https://doi.org/10.24403/jp.1016426</a>.","short":"L. Riedl, P. \tEhnold, T. Schlesinger, Sciamus - Sport und Management (2019) 21–40.","ama":"Riedl L, \tEhnold P, Schlesinger T. Digitalisierung im organisierten Sport. Eine Analyse zur Nutzung digitaler Instrumente in Sportvereinen. <i>Sciamus - Sport und Management</i>. 2019;(4):21-40. doi:<a href=\"https://doi.org/10.24403/jp.1016426\">10.24403/jp.1016426</a>","bibtex":"@article{Riedl_\tEhnold_Schlesinger_2019, title={Digitalisierung im organisierten Sport. Eine Analyse zur Nutzung digitaler Instrumente in Sportvereinen}, DOI={<a href=\"https://doi.org/10.24403/jp.1016426\">10.24403/jp.1016426</a>}, number={4}, journal={Sciamus - Sport und Management}, author={Riedl, Lars and \tEhnold, Peter and Schlesinger, Torsten }, year={2019}, pages={21–40} }","mla":"Riedl, Lars, et al. “Digitalisierung im organisierten Sport. Eine Analyse zur Nutzung digitaler Instrumente in Sportvereinen.” <i>Sciamus - Sport und Management</i>, no. 4, 2019, pp. 21–40, doi:<a href=\"https://doi.org/10.24403/jp.1016426\">10.24403/jp.1016426</a>.","apa":"Riedl, L., \tEhnold, P., &#38; Schlesinger, T. (2019). Digitalisierung im organisierten Sport. Eine Analyse zur Nutzung digitaler Instrumente in Sportvereinen. <i>Sciamus - Sport und Management</i>, <i>4</i>, 21–40. <a href=\"https://doi.org/10.24403/jp.1016426\">https://doi.org/10.24403/jp.1016426</a>","ieee":"L. Riedl, P. \tEhnold, and T. Schlesinger, “Digitalisierung im organisierten Sport. Eine Analyse zur Nutzung digitaler Instrumente in Sportvereinen,” <i>Sciamus - Sport und Management</i>, no. 4, pp. 21–40, 2019, doi: <a href=\"https://doi.org/10.24403/jp.1016426\">10.24403/jp.1016426</a>."},"main_file_link":[{"url":"https://zs.thulb.uni-jena.de/servlets/MCRFileNodeServlet/jportal_derivate_00292234/SSuM_Ausgabe_4_2019_Sonderausgabe_Aktuell_021_040.pdf","open_access":"1"}],"language":[{"iso":"ger"}],"doi":"10.24403/jp.1016426","title":"Digitalisierung im organisierten Sport. Eine Analyse zur Nutzung digitaler Instrumente in Sportvereinen","year":"2019","publication_identifier":{"issn":["1869-8247"]},"author":[{"id":"31513","first_name":"Lars","last_name":"Riedl","full_name":"Riedl, Lars"},{"first_name":"Peter","last_name":"\tEhnold","full_name":"\tEhnold, Peter"},{"full_name":"Schlesinger, Torsten ","first_name":"Torsten ","last_name":"Schlesinger"}],"publication_status":"published","date_updated":"2025-12-10T15:58:12Z","date_created":"2024-01-15T10:05:29Z","type":"journal_article","department":[{"_id":"175"}],"issue":"4","publication":"Sciamus - Sport und Management","abstract":[{"text":"Trotz hoher Aktualität und steigender Bedeutung liegen zum Thema Digitalisierung im Sportverein bisher kaum empirische Erkenntnisse vor. Der vorliegende Beitrag setzt sich mit folgenden Fragestellungen auseinander: (i) In welchem Umfang und zu welchem Zweck nutzen Sportvereine digitale Instrumente? (ii) Welche vereinsspezifischen Faktoren determinieren das jeweilige Nutzungsverhalten? Hierzu wurde eine Stichprobe von n=787 Sportvereinen aus Österreich und Deutschland generiert. Es zeigt sich, dass digitale Instrumente vor allem zur internen und externen Kommunikation sowie zur Bewältigung klassischer Verwaltungsaufgaben eingesetzt werden. Das Ausmaß der Nutzung hängt einerseits von vereinsexternen Bedingungen ab. So zeigt sich dahingehend ein Ländereffekt, dass in Deutschland digitale Instrumente stärker genutzt werden als in Österreich. Darüber hinaus haben Auflagen seitens der Verbände zur Verwendung bestimmter Software (z.B. für die Meldung von Wettkampfergebnissen) einen wichtigen Einfluss. Andererseits bestimmen vereinsinterne Faktoren wesentlich das Nutzungsverhalten. Positiv wirken vor allem die Vereinsziele ‚Engagement/Erfolg im Leistungssport‘ und ‚Wollen Vorreiterrolle bei der Digitalisierung einnehmen‘. Negativ wirken eine fehlende Strategie im Umgang mit digitalen Instrumenten sowie die Einschätzung, dass digitale Prozesse nicht zur eigenen Vereinskultur passen.\r\n","lang":"ger"}]},{"citation":{"apa":"Kehne, F., &#38; Fechner, S. (2019). Enkodierung chemischer Konzepte aus lebenweltlichen Kontexten. In C. Maurer (Ed.), <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik, Jahrestagung in Kiel 2018</i> (pp. 755–758). Universität Regensburg.","ieee":"F. Kehne and S. Fechner, “Enkodierung chemischer Konzepte aus lebenweltlichen Kontexten,” in <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik, Jahrestagung in Kiel 2018</i>, 2019, pp. 755–758.","short":"F. Kehne, S. Fechner, in: C. Maurer (Ed.), Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik, Jahrestagung in Kiel 2018, Universität Regensburg, 2019, pp. 755–758.","chicago":"Kehne, Franziska, and Sabine Fechner. “Enkodierung chemischer Konzepte aus lebenweltlichen Kontexten.” In <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik, Jahrestagung in Kiel 2018</i>, edited by Christian  Maurer, 755–58. Universität Regensburg, 2019.","mla":"Kehne, Franziska, and Sabine Fechner. “Enkodierung chemischer Konzepte aus lebenweltlichen Kontexten.” <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik, Jahrestagung in Kiel 2018</i>, edited by Christian  Maurer, Universität Regensburg, 2019, pp. 755–58.","ama":"Kehne F, Fechner S. Enkodierung chemischer Konzepte aus lebenweltlichen Kontexten. In: Maurer C, ed. <i>Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik, Jahrestagung in Kiel 2018</i>. Universität Regensburg; 2019:755-758.","bibtex":"@inproceedings{Kehne_Fechner_2019, title={Enkodierung chemischer Konzepte aus lebenweltlichen Kontexten}, booktitle={Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik, Jahrestagung in Kiel 2018}, publisher={Universität Regensburg}, author={Kehne, Franziska and Fechner, Sabine}, editor={Maurer, Christian }, year={2019}, pages={755–758} }"},"publication":"Naturwissenschaftliche Bildung als Grundlage für berufliche und gesellschaftliche Teilhabe. Gesellschaft für Didaktik der Chemie und Physik, Jahrestagung in Kiel 2018","date_created":"2021-09-03T17:43:47Z","department":[{"_id":"386"},{"_id":"33"}],"type":"conference","author":[{"last_name":"Kehne","first_name":"Franziska","full_name":"Kehne, Franziska"},{"id":"54823","full_name":"Fechner, Sabine","first_name":"Sabine","orcid":"0000-0001-5645-5870","last_name":"Fechner"}],"title":"Enkodierung chemischer Konzepte aus lebenweltlichen Kontexten","year":"2019","status":"public","date_updated":"2025-12-11T13:41:23Z","language":[{"iso":"ger"}],"_id":"23764","publisher":"Universität Regensburg","main_file_link":[{"url":"https://gdcp-ev.de/wp-content/tb2019/TB2019_755_Kehne.pdf"}],"page":"755-758","editor":[{"full_name":"Maurer, Christian ","last_name":"Maurer","first_name":"Christian "}],"user_id":"54823"},{"language":[{"iso":"eng"}],"_id":"62824","publisher":"Logos Verlag","main_file_link":[{"url":"https://www.logos-verlag.de/cgi-bin/engbuchmid?isbn=4846&lng=deu&id="}],"user_id":"54823","author":[{"full_name":"Kehne, Franziska","first_name":"Franziska","last_name":"Kehne"}],"year":"2019","status":"public","title":"Analyse des Transfers von kontextualisiert erworbenem Wissen im Fach Chemie","date_updated":"2025-12-11T13:40:52Z","place":"Berlin","date_created":"2025-12-03T21:32:57Z","department":[{"_id":"386"},{"_id":"33"}],"type":"dissertation","supervisor":[{"id":"54823","full_name":"Fechner, Sabine","first_name":"Sabine","last_name":"Fechner","orcid":"0000-0001-5645-5870"}],"citation":{"apa":"Kehne, F. 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Influence of Te-Doping on Catalyst-Free VS InAs Nanowires. <i>Nanoscale Research Letters</i>, <i>14</i>(1), Article 179. <a href=\"https://doi.org/10.1186/s11671-019-3004-0\">https://doi.org/10.1186/s11671-019-3004-0</a>","ieee":"N. A. Güsken, T. Rieger, G. Mussler, M. I. Lepsa, and D. Grützmacher, “Influence of Te-Doping on Catalyst-Free VS InAs Nanowires,” <i>Nanoscale Research Letters</i>, vol. 14, no. 1, Art. no. 179, 2019, doi: <a href=\"https://doi.org/10.1186/s11671-019-3004-0\">10.1186/s11671-019-3004-0</a>.","ama":"Güsken NA, Rieger T, Mussler G, Lepsa MI, Grützmacher D. 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Ansari, Christine Silberhorn, and Polina R. Sharapova. “Temporally Multimode Four-Photon Hong-Ou-Mandel Interference.” <i>Physical Review A</i> 100, no. 5 (2019). <a href=\"https://doi.org/10.1103/physreva.100.053829\">https://doi.org/10.1103/physreva.100.053829</a>.","short":"A. Ferreri, V. Ansari, C. Silberhorn, P.R. Sharapova, Physical Review A 100 (2019).","apa":"Ferreri, A., Ansari, V., Silberhorn, C., &#38; Sharapova, P. R. (2019). Temporally multimode four-photon Hong-Ou-Mandel interference. <i>Physical Review A</i>, <i>100</i>(5), Article 053829. <a href=\"https://doi.org/10.1103/physreva.100.053829\">https://doi.org/10.1103/physreva.100.053829</a>","ieee":"A. Ferreri, V. Ansari, C. Silberhorn, and P. R. 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Temporally multimode four-photon Hong-Ou-Mandel interference. <i>Physical Review A</i>. 2019;100(5). doi:<a href=\"https://doi.org/10.1103/physreva.100.053829\">10.1103/physreva.100.053829</a>","bibtex":"@article{Ferreri_Ansari_Silberhorn_Sharapova_2019, title={Temporally multimode four-photon Hong-Ou-Mandel interference}, volume={100}, DOI={<a href=\"https://doi.org/10.1103/physreva.100.053829\">10.1103/physreva.100.053829</a>}, number={5053829}, journal={Physical Review A}, publisher={American Physical Society (APS)}, author={Ferreri, Alessandro and Ansari, V. and Silberhorn, Christine and Sharapova, Polina R.}, year={2019} }","mla":"Ferreri, Alessandro, et al. “Temporally Multimode Four-Photon Hong-Ou-Mandel Interference.” <i>Physical Review A</i>, vol. 100, no. 5, 053829, American Physical Society (APS), 2019, doi:<a href=\"https://doi.org/10.1103/physreva.100.053829\">10.1103/physreva.100.053829</a>."},"project":[{"_id":"53","name":"TRR 142: TRR 142"},{"_id":"56","name":"TRR 142 - C: TRR 142 - Project Area C"},{"_id":"72","name":"TRR 142 - C2: TRR 142 - Subproject C2"}],"author":[{"first_name":"Alessandro","last_name":"Ferreri","full_name":"Ferreri, Alessandro","id":"65609"},{"full_name":"Ansari, V.","last_name":"Ansari","first_name":"V."},{"id":"26263","first_name":"Christine","last_name":"Silberhorn","full_name":"Silberhorn, Christine"},{"full_name":"Sharapova, Polina R.","last_name":"Sharapova","first_name":"Polina R.","id":"60286"}],"publication_identifier":{"issn":["2469-9926","2469-9934"]},"year":"2019","title":"Temporally multimode four-photon Hong-Ou-Mandel interference","intvolume":"       100","publication_status":"published","date_updated":"2025-12-16T11:28:33Z","language":[{"iso":"eng"}],"article_number":"053829","doi":"10.1103/physreva.100.053829","issue":"5","publication":"Physical Review A","date_created":"2023-01-26T14:12:28Z","department":[{"_id":"15"},{"_id":"569"},{"_id":"170"},{"_id":"288"},{"_id":"230"},{"_id":"429"},{"_id":"35"}],"type":"journal_article"},{"quality_controlled":"1","citation":{"apa":"Ludwig, M., &#38; Jablonski, S. (2019). <i>Doing Math Modelling Outdoors-A Special Math Class Activity designed with MathCityMap</i>.","ieee":"M. Ludwig and S. Jablonski, “Doing Math Modelling Outdoors-A Special Math Class Activity designed with MathCityMap,” 2019.","chicago":"Ludwig, M, and S Jablonski. “Doing Math Modelling Outdoors-A Special Math Class Activity Designed with MathCityMap,” 2019.","short":"M. Ludwig, S. Jablonski, (2019).","mla":"Ludwig, M., and S. Jablonski. <i>Doing Math Modelling Outdoors-A Special Math Class Activity Designed with MathCityMap</i>. 2019.","ama":"Ludwig M, Jablonski S. Doing Math Modelling Outdoors-A Special Math Class Activity designed with MathCityMap. Published online 2019.","bibtex":"@article{Ludwig_Jablonski_2019, title={Doing Math Modelling Outdoors-A Special Math Class Activity designed with MathCityMap}, author={Ludwig, M and Jablonski, S}, year={2019} }"},"type":"journal_article","date_created":"2025-12-17T08:53:35Z","publication_status":"published","date_updated":"2025-12-17T08:56:11Z","author":[{"full_name":"Ludwig, M","last_name":"Ludwig","first_name":"M"},{"full_name":"Jablonski, S","last_name":"Jablonski","first_name":"S"}],"publication_identifier":{"issn":["978-84-9048-661-0"]},"title":"Doing Math Modelling Outdoors-A Special Math Class Activity designed with MathCityMap","status":"public","year":"2019","user_id":"111489","_id":"63177"},{"citation":{"ieee":"C. Decker and M. Mochalova, “Professionalisierung im Lehramtsstudium an der Universität Paderborn,” presented at the Lehrer*innen als Alleskönner? Querschnittsthemen zwischen Professionsanspruch und De-Professionalisierung. Tagung der Hochschulen des Niedersächsischen Verbundes zur Lehrerbildung und der HRK, Universität Osnabrück, 2019.","apa":"Decker, C., &#38; Mochalova, M. (2019). <i>Professionalisierung im Lehramtsstudium an der Universität Paderborn</i>. Lehrer*innen als Alleskönner? Querschnittsthemen zwischen Professionsanspruch und De-Professionalisierung. Tagung der Hochschulen des Niedersächsischen Verbundes zur Lehrerbildung und der HRK, Universität Osnabrück.","short":"C. Decker, M. Mochalova, in: 2019.","chicago":"Decker, Claudia, and Maria Mochalova. “Professionalisierung Im Lehramtsstudium an Der Universität Paderborn,” 2019.","mla":"Decker, Claudia, and Maria Mochalova. <i>Professionalisierung Im Lehramtsstudium an Der Universität Paderborn</i>. 2019.","bibtex":"@inproceedings{Decker_Mochalova_2019, title={Professionalisierung im Lehramtsstudium an der Universität Paderborn}, author={Decker, Claudia and Mochalova, Maria}, year={2019} }","ama":"Decker C, Mochalova M. Professionalisierung im Lehramtsstudium an der Universität Paderborn. In: ; 2019."},"department":[{"_id":"33"}],"type":"conference","date_created":"2025-12-18T10:52:09Z","date_updated":"2025-12-18T10:52:15Z","conference":{"start_date":"19.9.2019","name":"Lehrer*innen als Alleskönner? Querschnittsthemen zwischen Professionsanspruch und De-Professionalisierung. Tagung der Hochschulen des Niedersächsischen Verbundes zur Lehrerbildung und der HRK","location":"Universität Osnabrück"},"author":[{"last_name":"Decker","first_name":"Claudia","full_name":"Decker, Claudia","id":"31046"},{"full_name":"Mochalova, Maria","first_name":"Maria","last_name":"Mochalova"}],"year":"2019","title":"Professionalisierung im Lehramtsstudium an der Universität Paderborn","status":"public","user_id":"31046","language":[{"iso":"eng"}],"_id":"63197"},{"date_created":"2025-12-18T19:35:55Z","type":"journal_article","publication":"International Mathematics Research Notices","issue":"11","abstract":[{"lang":"eng","text":"<jats:title>Abstract</jats:title>\r\n               <jats:p>We consider the spatially 2D version of the model $$\\begin{equation*} \\qquad\\quad\\left\\{ \\begin{array}{@{}rcll} n_t + u\\cdot\\nabla n &amp;=&amp; \\Delta n - \\nabla \\cdot \\big(nS(x,n,c) \\cdot \\nabla c \\big), \\qquad &amp;\\qquad x\\in \\Omega, \\ t&amp;gt;0, \\\\ c_t + u\\cdot \\nabla c &amp;=&amp; \\Delta c - n f(c), \\qquad &amp;\\qquad x\\in \\Omega, \\ t&amp;gt;0, \\\\ u_t &amp;=&amp; \\Delta u + \\nabla P + n\\nabla\\phi, \\qquad \\nabla\\cdot u=0, \\qquad &amp;\\qquad x\\in \\Omega, \\ t&amp;gt;0, \\end{array} \\right. \\qquad \\qquad (\\star) \\end{equation*}$$for nutrient taxis processes, possibly interacting with liquid environments. Here the particular focus is on the situation when the chemotactic sensitivity $S$ is not a scalar function but rather attains general values in ${\\mathbb{R}}^{2\\times 2}$, thus accounting for rotational flux components in accordance with experimental findings and recent modeling approaches. Reflecting significant new challenges that mainly stem from apparent loss of energy-like structures, especially for initial data with large size, the knowledge on ($\\star$) so far seems essentially restricted to results on global existence of certain generalized solutions with possibly quite poor boundedness and regularity properties; widely unaddressed seem aspects related to possible effects of such non-diagonal taxis mechanisms on the qualitative solution behavior, especially with regard to the fundamental question whether spatial structures may thereby be supported. The present work answers the latter in the negative in the following sense: under the assumptions that the initial data $(n_0,c_0,u_0)$ and the parameter functions $S$, $f$, and $\\phi$ are sufficiently smooth, and that $S$ is bounded and $f$ is positive on $(0,\\infty )$ with $f(0)=0$, it is shown that any nontrivial of these solutions eventually becomes smooth and satisfies $$\\begin{equation*} n(\\cdot,t)\\to - \\int_\\Omega n_0, \\quad c(\\cdot,t)\\to 0 \\quad \\text{and} \\quad u(\\cdot,t)\\to 0 \\qquad \\text{as} \\ t\\to\\infty, \\end{equation*}$$uniformly with respect to $x\\in \\Omega$. By not requiring any smallness condition on the initial data, the latter seems new even in the corresponding fluid-free version obtained on letting $u\\equiv 0$ in ($\\star$).</jats:p>"}],"language":[{"iso":"eng"}],"doi":"10.1093/imrn/rnz056","year":"2019","title":"Can Rotational Fluxes Impede the Tendency Toward Spatial Homogeneity in Nutrient Taxis(-Stokes) Systems?","publication_identifier":{"issn":["1073-7928","1687-0247"]},"author":[{"full_name":"Winkler, Michael","first_name":"Michael","last_name":"Winkler","id":"31496"}],"date_updated":"2025-12-18T19:59:29Z","publication_status":"published","intvolume":"      2021","citation":{"mla":"Winkler, Michael. “Can Rotational Fluxes Impede the Tendency Toward Spatial Homogeneity in Nutrient Taxis(-Stokes) Systems?” <i>International Mathematics Research Notices</i>, vol. 2021, no. 11, Oxford University Press (OUP), 2019, pp. 8106–52, doi:<a href=\"https://doi.org/10.1093/imrn/rnz056\">10.1093/imrn/rnz056</a>.","bibtex":"@article{Winkler_2019, title={Can Rotational Fluxes Impede the Tendency Toward Spatial Homogeneity in Nutrient Taxis(-Stokes) Systems?}, volume={2021}, DOI={<a href=\"https://doi.org/10.1093/imrn/rnz056\">10.1093/imrn/rnz056</a>}, number={11}, journal={International Mathematics Research Notices}, publisher={Oxford University Press (OUP)}, author={Winkler, Michael}, year={2019}, pages={8106–8152} }","ama":"Winkler M. Can Rotational Fluxes Impede the Tendency Toward Spatial Homogeneity in Nutrient Taxis(-Stokes) Systems? <i>International Mathematics Research Notices</i>. 2019;2021(11):8106-8152. doi:<a href=\"https://doi.org/10.1093/imrn/rnz056\">10.1093/imrn/rnz056</a>","ieee":"M. Winkler, “Can Rotational Fluxes Impede the Tendency Toward Spatial Homogeneity in Nutrient Taxis(-Stokes) Systems?,” <i>International Mathematics Research Notices</i>, vol. 2021, no. 11, pp. 8106–8152, 2019, doi: <a href=\"https://doi.org/10.1093/imrn/rnz056\">10.1093/imrn/rnz056</a>.","apa":"Winkler, M. (2019). Can Rotational Fluxes Impede the Tendency Toward Spatial Homogeneity in Nutrient Taxis(-Stokes) Systems? <i>International Mathematics Research Notices</i>, <i>2021</i>(11), 8106–8152. <a href=\"https://doi.org/10.1093/imrn/rnz056\">https://doi.org/10.1093/imrn/rnz056</a>","short":"M. Winkler, International Mathematics Research Notices 2021 (2019) 8106–8152.","chicago":"Winkler, Michael. “Can Rotational Fluxes Impede the Tendency Toward Spatial Homogeneity in Nutrient Taxis(-Stokes) Systems?” <i>International Mathematics Research Notices</i> 2021, no. 11 (2019): 8106–52. <a href=\"https://doi.org/10.1093/imrn/rnz056\">https://doi.org/10.1093/imrn/rnz056</a>."},"page":"8106-8152","_id":"63325","publisher":"Oxford University Press (OUP)","user_id":"31496","volume":2021,"status":"public"}]