R. Biehler and V. Durand-Guerrier, “University Mathematics Didactic Research on Number Theory, Algebra, Discrete Mathematics, Logic,” in Proceedings of the Third Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2020, 12-19 September 2020), T. Hausberger, M. Bosch, and F. Chelloughi, Eds. Bizerte, Tunisia: University of Carthage and INDRUM, 2020.

S. Lünne, S. Schnell, and R. Biehler, “Motivation of out-of-field teachers for participating in professional development courses in mathematics,”10.1080/02619768.2020.1793950__European Journal of Teacher Education, vol. 44, no. 5, pp. 688–705, 2020, doi:10.1080/02619768.2020.1793950 .

B. Barzel and R. Biehler, “Theory-Based Design of Professional Development for Upper Secondary Teachers–Focusing on the Content-Specific Use of Digital Tools,” in Professional development and knowledge of mathematics teachers, S. Zehetmeier, D. Potari, and M. Ribeiro, Eds. London: Routledge, 2020, pp. 163–192.

F. Feudel and R. Biehler, “Students’ Understanding of the Derivative Concept in the Context of Mathematics for Economics,”10.1007/s13138-020-00174-z__Journal für Mathematik-Didaktik, vol. 42, no. 1, pp. 273–305, 2020, doi:10.1007/s13138-020-00174-z .

L. Kempen and R. Biehler, “Using Figurate Numbers in Elementary Number Theory – Discussing a ‘Useful’ Heuristic From the Perspectives of Semiotics and Cognitive Psychology,”10.3389/fpsyg.2020.01180__Frontiers in Psychology, vol. 11, p. 1180, 2020, doi:10.3389/fpsyg.2020.01180 .

L. Kempen, S. Krämer, and R. Biehler, “Was verstehen Schülerinnen und Schüler unter eBeweis“? 3 ausgewählte Ergebnisse einer Pilotstudie,” in Beiträge zum Mathematikunterricht 2020, H.-S. Siller, W. Weigel, and J. F. Wörler, Eds. Münster: WTM-Verlag, 2020, pp. 4893492.

R. Biehler, L. Kempen, and W. Paravicini, “Hochschuldidaktik Mathematik: Fachbezogenes Design und empirische Studien,” in Beiträge zum Mathematikunterricht 2020, H.-S. Siller, W. Weigel, and J. F. Wörler, Eds. Münster: WTM-Verlag, 2020, pp. 1347–1348.

Y. Fleischer and R. Biehler, “Automatisierte Entscheidungsverfahren als Thema im allgemeinbildenden Mathematikunterricht,” in Beiträge zum Mathematikunterricht 2020, H.-S. Siller, W. Weigel, and J. F. Wörler, Eds. Münster: WTM-Verlag, 2020.

B. Griese, R. Nieszporek, and R. Biehler, “Frei verfügbare Materialien für Unterricht und Fortbildung: Stochastik verständnisorientiert unterrichten,” Stochastik in der Schule, vol. 40, no. 1, pp. 10–17, 2020.

S. Lünne, S. Schnell, and R. Biehler, “Ffunt@OWL – Konzept und Gestaltungsprinzipien zur Qualifizierung fachfremd Mathematik unterrichtender Lehrkräfte der Sekundarstufe I,” in Professionelles Handeln im fachfremd erteilten Mathematikunterricht, R. Porsch and B. Rösken-Winter, Eds. Wiesbaden: Springer Spektrum, 2020, pp. 141–167.

E. Lankeit and R. Biehler, “‘I only know the absolute value function’–About students’ concept images and example spaces concerning continuity and differentiability,” in Proceedings of the Third Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2020, 12-19 September 2020), T. Hausberger, M. Bosch, and F. Chelloughi, Eds. Bizerte, Tunisia: University of Carthage and INDRUM, 2020.

L. Kempen, S. Krämer, and R. Biehler, “Investigating high school graduates’ personal meaning of the notion of ‘mathematical proof,’” in Proceedings of the Third Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2020, 12-19 September 2020), T. Hausberger, M. Bosch, and F. Chelloughi, Eds. Bizerte, Tunisia: University of Carthage and INDRUM, 2020, pp. 358–367.

E. Lankeit, T. Bauer, and R. Biehler, “Votingfragen in den Übungen zur Analysis – Wirkung verschiedener Einsatzszenarien,” in Beiträge zum Mathematikunterricht 2020, H.-S. Siller, W. Weigel, and J. F. Wörler, Eds. Münster: WTM-Verlag, 2020, pp. 1361–1364.

M. Schürmann et al., “Mathematics learning support centres in Germany—an overview,”10.1093/teamat/hraa007__Teaching Mathematics and its Applications: An International Journal of the IMA, vol. 40, no. 2, pp. 99–113, 2020, doi:10.1093/teamat/hraa007 .

M. Liebendörfer et al., “The role of learning strategies for performance in mathematics courses for engineers,” in Proceedings of the Third Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2020, 12-19 September 2020), T. Hausberger, M. Bosch, and F. Chelloughi, Eds. Bizerte, Tunisia: University of Carthage and INDRUM, 2020.

R. Biehler et al., “studiVEMINTvideos – Mathematische Lernvideos zur Studienvorbereitung und Unterstützung im ersten Studienjahr,” in Beiträge zum Mathematikunterricht 2020, H.-S. Siller, W. Weigel, and J. F. Wörler, Eds. Münster: WTM, 2020.

R. Biehler et al., “Data science education in secondary schools: Teaching and learning decision trees with CODAP and Jupyter Notebooks as an example of integrating machine learning into statistics education,” in New Skills in the Changing World of Statistics Education Proceedings of the Roundtable conference of the International Association for Statistical Education (IASE), 2020.

L. Budde et al., “Data Science Education in Secondary School: How to Develop Statistical Reasoning When Exploring Data Using CODAP,” in New Skills in the Changing World of Statistics Education: Proceedings of the Roundtable conference of the International Association for Statistical Education (IASE), July 2020, P. Arnold, Ed. Voorborg, The Netherlands: ISI/IASE, 2020.

M. Liebendörfer et al., “LimSt – Ein Fragebogen zur Erhebung von Lernstrategien im mathematikhaltigen Studium,”10.1007/s13138-020-00167-y__Journal für Mathematik-Didaktik, 2020, doi:10.1007/s13138-020-00167-y .

M. Schürmann et al., “Chancen und Möglichkeiten eines Netzwerks von Mathematischen Lernzentren in Deutschland - Bericht zum digitalen Lernzentrumsworkshop am 22.10.2020,” dghd-Newsletter, vol. 4/2020, pp. 24–26, 2020.

M. Schürmann et al., “Ein Kurzbericht aus dem Forschungsprojekt WiGeMath-Lernzentren als Unterstützungsmaßnahme für mathematikbezogenes Lernen in der Studieneingangsphase,” dghd-Newsletter, vol. 01/2020, pp. 25–29, 2020.

R. I. McLachlan, C. Offen, and B. K. Tapley, “Symplectic integration of PDEs using Clebsch variables,” Journal of Computational Dynamics, vol. 6, no. 1, pp. 111–130, 2019.

F. Nüske, L. Boninsegna, and C. Clementi, “Coarse-graining molecular systems by spectral matching,” The Journal of Chemical Physics, 2019.

C. Kuklinski, E. Leis, M. Liebendörfer, and R. Hochmuth, “Erklärung von Mathematikleistung im Ingenieursstudium,” in Beiträge zum Mathematikunterricht 2019, 2019.

T. Sahai, A. Ziessler, S. Klus, and M. Dellnitz, “Continuous relaxations for the traveling salesman problem,” Nonlinear Dynamics, 2019.

S. Peitz and S. Klus, “Koopman operator-based model reduction for switched-system control of PDEs,” Automatica, vol. 106, pp. 184–191, 2019.

B. Gebken, S. Peitz, and M. Dellnitz, “On the hierarchical structure of Pareto critical sets,” Journal of Global Optimization, vol. 73, no. 4, pp. 891–913, 2019.

S. Hanke, S. Peitz, O. Wallscheid, J. Böcker, and M. Dellnitz, “Finite-Control-Set Model Predictive Control for a Permanent Magnet Synchronous Motor Application with Online Least Squares System Identification,” in 2019 IEEE International Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE), 2019.

J. Schumacher, “Rekonstruktion diagrammatischen Schließens am Beispiel der Subtraktion negativer Zahlen,” in Beiträge zum Mathematikunterricht 2019, Regensburg.

J. Schumacher and S. Rezat, “A Hypothetical Learning Trajectory for the Learning of the Rules for Manipulating Integers,” in Proceedings of the Eleventh Congress of the European Society for Research in Mathematics Education (CERM, February 6 – 10, 2019), Utrecht.

S. Rezat, L. Fan, M. Hattermann, J. Schumacher, and H. Wuschke, Eds., Proceedings of the Third International Conference on Mathematics Textbook Research and Development: 16-19 September 2019 Paderborn, Germany. Paderborn: Universitätsbibliothek Paderborn, 2019.

R. Gerlach, P. Koltai, and M. Dellnitz, “Revealing the intrinsic geometry of finite dimensional invariant sets of  infinite dimensional dynamical systems,” arXiv:1902.08824. 2019.

U. Häsel-Weide and M. Nührenbörger, “Materials für inclusive mathematics education - Design principles an practices.,” in Proceedings of the Third International Conference on Mathematics Textbook Research an Development, 2019, pp. 185–190.

T. Breucker, O. Freesemann, U. Häsel-Weide, E. M. Opitz, M. Nührenbörger, and C. Wittich, “Fördern im inklusiven Mathematikunterricht im Spannungsfeld zwischen gemeinsamen Lernsituationen und gezielter Förderung.,” Zeitschrift für Heilpädagogik, no. 70, pp. 316–326, 2019.

U. Häsel-Weide, M. Nührenbörger, and M. Reinold, Das Zahlenbuch 4. Förderheft. Stuttgart: Klett, 2019.

U. Häsel-Weide, M. Nührenbörger, and M. Reinold, Das Zahlenbuch. Förderkommentar Lernen zum 4. Schuljahr. Leipzig: Klett, 2019.

U. Häsel-Weide, “Lernumgebungen für den inklusiven Mathematikunterricht zwischen reichhaltiger Offenheit und fokussierter Förderung,” in Zwischen Persönlichkeitsbildung und Leistungsentwicklung. Fachspezifische Zugänge zu inklusivem Unterricht, B. Baumert and M. Willen, Eds. Bad Heilbrunn: Klinkhardt, 2019, pp. 175–181.

T. Black, “Global generalized solutions to a parabolic-elliptic Keller-Segel system with singular sensitivity,”10.3934/dcdss.2020007__Discrete &;amp; Continuous Dynamical Systems - S, vol. 13, no. 2, pp. 119–137, 2019, doi:10.3934/dcdss.2020007 .

T. Black, “The Stokes Limit in a Three-Dimensional Chemotaxis-Navier–Stokes System,”10.1007/s00021-019-0464-z__Journal of Mathematical Fluid Mechanics, vol. 22, no. 1, Art. no. 1, 2019, doi:10.1007/s00021-019-0464-z .

T. Black, J. Lankeit, and M. Mizukami, “A KellerSegelfluid system with singular sensitivity: Generalized solutions,”10.1002/mma.5561__Mathematical Methods in the Applied Sciences, vol. 42, no. 9, pp. 3002–3020, 2019, doi:10.1002/mma.5561 .

T. Black, J. Lankeit, and M. Mizukami, “Stabilization in the Keller–Segel system with signal-dependent sensitivity,”10.1080/00036811.2019.1585534__Applicable Analysis, vol. 99, no. 16, pp. 2877–2891, 2019, doi:10.1080/00036811.2019.1585534 .

S. Dyatlov, D. Borthwick, and T. Weich, “Improved fractal Weyl bounds for hyperbolic manifolds. With an appendix by David Borthwick, Semyon Dyatlov and Tobias Weich,”10.4171/jems/867__Journal of the European Mathematical Society, vol. 21, no. 6, pp. 1595–1639, 2019, doi:10.4171/jems/867 .

M. Hoffmann, “Rezension: Klaus Volkert: In höheren Räumen – Der Weg der Geometrie in die vierte Dimension,”10.1007/s00591-018-00244-x__Mathematische Semesterberichte, vol. 66. pp. 117–118, 2019, doi:10.1007/s00591-018-00244-x .

M. Kolb, T. Weich, and L. L. Wolf, “Spectral Asymptotics for Kinetic Brownian Motion on Hyperbolic Surfaces,” arXiv:1909.06183. 2019.

B. Jurgelucks, V. Schulze, N. Feldmann, and L. Claes, Arbitrary sensitivity for inverse problems in piezoelectricity. GAMM Annual Meeting, Wien, 2019.

M. Kolb and M. Liesenfeld, “Stochastic Spikes and Poisson Approximation of One-Dimensional Stochastic Differential Equations with Applications to Continuously Measured Quantum Systems,”http://dx.doi.org/10.1007/s00023-019-00772-9__Annales Henri Poincaré, vol. 20, no. 6, pp. 1753–1783, 2019, doi:http://dx.doi.org/10.1007/s00023-019-00772-9 .

A. Q. Wang, M. Kolb, G. O. Roberts, and D. Steinsaltz, “Theoretical properties of quasi-stationary Monte Carlo methods,”http://dx.doi.org/10.1214/18-AAP1422__The Annals of Applied Probability, vol. 29, no. 1, 2019, doi:http://dx.doi.org/10.1214/18-AAP1422 .

A. Hening and M. Kolb, “Quasistationary distributions for one-dimensional diffusions with two singular boundary points,”http://dx.doi.org/10.1016/j.spa.2018.05.012__Stochastic Processes and their Applications, vol. 129, no. 5, pp. 1659–1696, 2019, doi:http://dx.doi.org/10.1016/j.spa.2018.05.012 .

M. Hanusch, “Differentiability of the evolution map and Mackey continuity,”10.1515/forum-2018-0310__Forum Mathematicum, vol. 31, no. 5, pp. 1139–1177, 2019, doi:10.1515/forum-2018-0310 .

A.-S. Elsenhans and J. Klüners, “Computing quadratic subfields of number fields,” arXiv:1907.13383. 2019.