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Djema, Walid, et al. “Turnpike Features in Optimal Selection of Species Represented by Quota Models.”10.1016/j.automatica.2021.109804__Automatica, vol. 132, 109804, Elsevier BV, 2021, doi:10.1016/j.automatica.2021.109804.
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Schütte, Philipp, et al. Resonances and Weighted Zeta Functions for Obstacle Scattering via Smooth Models. 2021.
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arXiv: 2109.05907

Hoffmann, Max. “Rezension: Hendrik Kasten und Denis Vogel: Grundlagen der ebenen Geometrie – Eine zugängliche aber exakte Einführung in die ebene Geometrie.”10.1007/s00591-021-00299-3__Mathematische Semesterberichte, vol. 68, 2021, pp. 295–297, doi:10.1007/s00591-021-00299-3.
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Hoffmann, Max. “Einsatz von Schnittstellenaufgaben in Mathematikveranstaltungen – Praxisbeispiele aus der Universität Paderborn.”10.1007/978-3-662-62854-6_9__10.1007/978-3-662-62854-6_9__Lehrinnovationen in der Hochschulmathematik.  praxisrelevant – didaktisch fundiert – forschungsbasiert, edited by Rolf Biehler et al., Springer Berlin Heidelberg, 2021, pp. 179–204, doi:10.1007/978-3-662-62854-6_9.
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Küster, Benjamin, and Tobias Weich. “Quantum-Classical Correspondence on Associated Vector Bundles Over Locally Symmetric Spaces.”10.1093/imrn/rnz068__International Mathematics Research Notices, vol. 2021, no. 11, Oxford University Press (OUP), 2021, pp. 8225–96, doi:10.1093/imrn/rnz068.
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Häsel-Weide, Uta, and Marcus Nührenbürger. “Inklusive Praktiken im Mathematikunterricht. Empirische Analysen von Unterrichtsdiskursen in Einführungsphasen.” Zeitschrift für Grundschulforschung (ZfG), no. 14, Springer, 2021, pp. 49–65.
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Häsel-Weide, Uta, and Christian Schöttler. “Das Dezimalsystem verstehen – Bedeutung, Erkenntnisse, Anregungen.” Zeitschrift für Mathematikdidaktik in Forschung &; Praxis (ZMFP), no. 2, 2021.
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Li, Jiaao, et al. “On 3-Flow-Critical Graphs.”10.1016/j.ejc.2021.103451__European Journal of Combinatorics, vol. 100, 103451, Elsevier BV, 2021, doi:10.1016/j.ejc.2021.103451.
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Kolb, Martin, et al. “Spectral Asymptotics for Kinetic Brownian Motion on Surfaces of Constant Curvature.” Annales Henri Poincaré , vol. 23, no. 4, Springer Science + Business Media, 2021, pp. 1283–96.
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Weich, Tobias, and Julia Budde. “Wave Front Sets of Nilpotent Lie Group Representations.” ArXiv:2103.02968, 2021.
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Richthammer, Thomas, and Michael Fiedler. “A Lower Bound on the Displacement of Particles in 2D Gibbsian Particle Systems.”https://doi.org/10.1016/j.spa.2020.10.003__Stochastic Processes and Their Applications, vol. 132, Elsevier, 2021, pp. 1–32, doi:https://doi.org/10.1016/j.spa.2020.10.003.
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Hanusch, Maximilian. “Symmetries of Analytic Curves.”10.1016/j.difgeo.2020.101687__Differential Geometry and Its Applications, vol. 74, 101687, Elsevier BV, 2021, doi:10.1016/j.difgeo.2020.101687.
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Frischemeier, Daniel, et al. “Integration fachwissenschaftlicher und fachdidaktischer Komponenten in der Lehramtsausbildung Mathematik Grundschule am Beispiel einer Veranstaltung zur Leitidee eDaten, Häufigkeit und Wahrscheinlichkeit“.”10.1007/978-3-662-62854-6_11__Konzepte und Studien Lehrinnovationen in der Hochschulmathematik . Konzepte und Studien zur Hochschuldidaktik und Lehrerbildung Mathematikzur Hochschuldidaktik und Lehrerbildung Mathematik, edited by Rolf Biehler et al., Springer Spektrum, 2021, pp. 227349, doi:10.1007/978-3-662-62854-6_11.
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Rach, Stefanie, and Michael Liebendörfer. “Die Bedeutung Affektiver Merkmale Beim Mathematiklernen.” Beiträge Zum Mathematikunterricht 2021 Vom GDM-Monat 2021 Der Gesellschaft Für Didaktik Der Mathematik (GDM) (1.-25. März 2021), edited by Kerstin Hein et al., WTM-Verlag für wissenschaftliche Texte und Medien, 2021, pp. 247–248.
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Büchele, Stefan, et al. “Increasing the Effect of a Remedial Mathematics Course by Switching to an Online Format during the COVID-19 Crisis: Evidence from a German University.”10.1093/teamat/hrab013__Teaching Mathematics and Its Applications: An International Journal of the IMA, vol. 40, no. 4, Oxford University Press (OUP), 2021, pp. 478–96, doi:10.1093/teamat/hrab013.
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Gildehaus, Lara, et al. “Gymnasiales Lehramt Mathematik Studieren – Eine Übersicht Zur Studienorganisation in Deutschland.” Mitteilungen Der Gesellschaft Für Didaktik Der Mathematik, vol. 47, no. 111, 2021, pp. 27–32.
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Vajen, Bastian, et al. “Mathematisierung Als Herausforderung Für Die Politische Bildung.” Schriftenreihe Der DVPB. Standortbestimmung Politische Bildung: Gesellschaftspolitische Herausforderungen, Zivilgesellschaft Und Das Vermeintliche Neutralitätsgebot, edited by Steve Kenner and T. Oeftering, Wochenschau, 2021, pp. 188–200.
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Göller, Robin, et al. “Prüfungsformate Als Ansatzpunkt Gendersensibler Universitärer Lehre Im Fach Mathematik.” Mathematik Und Gender: Berichte Und Beiträge Des Arbeitskreise Frauen Und Mathematik, edited by Andrea Blunck and Renate Motzer, vol. 5, Franzbecker, 2021, pp. 59–76.
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Haak, Inka, et al. “Genese Und Funktionen von Lerngruppen in Der Studieneingangsphase.” Naturwissenschaftlicher Unterricht Und Lehrerbildung Im Umbruch?, Universität Duisburg-Essen, 2021, pp. 89–92.
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Kempen, Leander, and Michael Liebendörfer. “University Students’ Fully Digital Study of Mathematics: An Identification of Student-Groups via Their Resources Usage and a Characterization by Personal and Affective Characteristics.”10.1093/teamat/hrab020__Teaching Mathematics and Its Applications: An International Journal of the IMA, vol. 40, no. 4, Oxford University Press (OUP), 2021, pp. 436–54, doi:10.1093/teamat/hrab020.
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Liebendörfer, Michael, et al. “The Mathematical Beliefs and Interest Development of Pre-Service Primary Teachers.” Interim Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education, edited by M. Inprasitha et al., vol. 3, PME, 2021, pp. 198–205.
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Krapf, Regula, and Michael Liebendörfer. “Was Bewirkt Die Pflichtabgabe von Übungsaufgaben in Der Hochschulmathematik? – Ein Empirischer Vergleich.” Mathematica Didactica, vol. 2, no. 44, 2021, pp. 1–17.
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Winkler, Michael. “Global Weak Solutions in a Three-Dimensional Keller-Segel-Navier-Stokes System with Gradient-Dependent Flux Limitation.” Nonlinear Analysis: Real World Applications, vol. 59, 103257, 2021.
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Winkler, Michael. “Suppressing Blow-up by Gradient-Dependent Flux Limitation in a Planar Keller-Segel-Navier-Stokes System.” Zeitschrift Für Angewandte Mathematik Und Physik, vol. 72, 72, 2021.
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Winkler, Michael. “Can Rotational Fluxes Impede the Tendency toward Spatial Homogeneity in Nutrient Taxis (-Stokes) Systems?” International Mathematics Research Notices, vol. 2021, 2021, pp. 8106–52.
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Winkler, Michael. “Boundedness in a Three-Dimensional Keller-Segel-Stokes System with Subcritical Sensitivity.” Applied Mathematics Letters, vol. 112, 2021, p. 106785.
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Winkler, Michael. “Does Spatial Homogeneity Ultimately Prevail in Nutrient Taxis Systems? A Paradigm for Structure Support by Rapid Diffusion Decay in an Autonomous Parabolic Flow.” Transactions of the American Mathematical Society, vol. 374, 2021, pp. 219–68.
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Rösler, Margit, and Michael Voit. “Positive Intertwiners for Bessel Functions of Type B.”10.1090/proc/15312__Proceedings of the American Mathematical Society, vol. 149, no. 3, American Mathematical Society (AMS), 2021, pp. 1151–63, doi:10.1090/proc/15312.
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Tao, Youshan, and Michael Winkler. “A Fully Cross-Diffusive Two-Component Evolution System: Existence and Qualitative Analysis via Entropy-Consistent Thin-Film-Type Approximation.” Journal of Functional Analysis, vol. 281, 109069, 2021.
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Tao, Youshan, and Michael Winkler. “The Dampening Role of Large Repulsive Convection in a Chemotaxis System Modeling Tumor Angiogenesis.” Nonlinear Analysis, Theory, Methods and Applications, vol. 208, 112324, 2021.
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Wang, Yulan, et al. “Immediate Regularization of Measure-Type Population Densities in a Two-Dimensional Chemotaxis System with Signal Consumption.” Science China Mathematics, vol. 64, 2021, pp. 725–46.
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Ding, Mengyao, and Michael Winkler. “Small-Density Solutiions in Keller-Segel Systems Involving Rapidly Decaying Diffusivities.” Nonlinear Differential Equatiions and Applicatiions, vol. 28, 47, 2021.
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Tao, Youshan, and Michael Winkler. “Global Smooth Solutions in a Two-Dimensional Cross-Diffusion System Modeling Propagation of Urban Crime.” Communications in Mathematical Sciences, vol. 19, 2021, pp. 829–49.
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Tao, Youshan, and Michael Winkler. “Taxis-Driven Formation of Singular Hotspots in a May-Nowak Type Model for Virus Infection.” SIAM Journal on Mathematical Analysis, vol. 53, 2021, pp. 1411–33.
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Wang, Yulan, et al. “Local Energy Estimates and Global Solvability in a  Threee-Dimensional Chemotaxis-Fluid System with Prescribed Signal on the Boundary.” Communications in Partial Differential Equations, vol. 46, 2021, pp. 1058–91.
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Wang, Yulan, et al. “Global Solvability in a Threee-Dimensional Keller-Segel.Stokes System Involving Arbitrary Superlinear Logistic Degradation.” Advances in Nonlinear Analysis, vol. 10, 2021, pp. 707–31.
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Tao, Youshan, and Michael Winkler. “Critical Mass for Infinite-Time Blow-up in a Haptotaxis System with Nonlinear Zero-Order Interaction.” Discrete and Continuous Dynamical Systems, vol. 41, no. A, 2021, pp. 439–54.
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Klüners, Jürgen, and Toru Komatsu. “Imaginary Multiquadratic Number Fields with Class Group of Exponent $ and $.”10.1090/mcom/3609__Mathematics of Computation, vol. 90, no. 329, American Mathematical Society (AMS), 2021, pp. 1483–97, doi:10.1090/mcom/3609.
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arXiv: 2004.03308v2

Kirschmer, Markus, et al. “Spanning the Isogeny Class of a Power of an Elliptic Curve.”10.1090/mcom/3672__Mathematics of Computation, vol. 91, no. 333, American Mathematical Society (AMS), 2021, pp. 401–49, doi:10.1090/mcom/3672.
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Burban, Igor, and R. Abedin. “Algebraic Geometry of Lie Bialgebras Defined by Solutions of the Classical Yang-Baxter Equation.”10.1007/s00220-021-04188-7__Communications in Mathematical Physics, vol. 387, no. 2, 2021, pp. 1051–1109, doi:10.1007/s00220-021-04188-7.
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Bruns, Julia, et al. “Conceptualising and Measuring Domain-Specific Content Knowledge of Early Childhood Educators: A Systematic Review.”10.1002/rev3.3255__Review of Education, vol. 9, no. 2, Wiley, 2021, pp. 500–38, doi:10.1002/rev3.3255.
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Bruns, Julia, and T. Schopferer. “Eine mustergültige Wissenschaft.” . . TPS – Theorie und Praxis der Sozialpädagogik, vol. 11, 2021, pp. 28–32.
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Jensen, Solveig, et al. “Place Value and Regrouping as Seperate Constructs of Place Value Understanding.” Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education, edited by Maitree Inprasitha et al., vol. 3, 2021, pp. 101–09.
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Bruns, Julia, et al. “Context and Implications Document for: Conceptualising and Measuring Domain-Specific Content Knowledge of Early Childhood Educators: A Systematic Review.”10.1002/rev3.3256__Review of Education, vol. 9, no. 2, Wiley, 2021, pp. 539–40, doi:10.1002/rev3.3256.
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Jensen, Solveig, et al. “Stellenwertverständnis: Verständnis von Stellenwertprinzip und Bündelungsprinzip als separate Konstrukte.”http://dx.doi.org/10.17877/DE290R-22292__Beiträge zum Mathematikunterricht 2021, edited by Gesellschaft für Didaktik der Mathematik, WTM-Verlag, 2021, doi:http://dx.doi.org/10.17877/DE290R-22292.
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Schönherr, Johanna, et al. “Do Emotions and Prior Performance Facilitate the Use of the Learner-Generated Drawing Strategy? Effects of Enjoyment, Anxiety, and Intramathematical Performance on the Use of the Drawing Strategy and Modelling Performance.”10.1016/j.cedpsych.2021.101967__Contemporary Educational Psychology, vol. 65, 2021, doi:10.1016/j.cedpsych.2021.101967.
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Schönherr, Johanna, et al. “Does Strategic Knowledge Matter? Effects of Strategic Knowledge about Drawing on Students’ Modeling Competencies in the Domain of Geometry.”10.1080/10986065.2021.2012741__Mathematical Thinking and Learning, 2021, doi:10.1080/10986065.2021.2012741.
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Schönherr, Johanna, et al. “The Role of Strategy-Based Motivation in Mathematical Problem Solving: The Case of Learner-Generated Drawings.”10.1016/j.learninstruc.2021.101561__Learning and Instruction, vol. 80, 101561, 2021, doi:10.1016/j.learninstruc.2021.101561.
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Black, Tobias, et al. “Relaxed Parameter Conditions for Chemotactic Collapse in Logistic-Type Parabolic–Elliptic Keller–Segel Systems.”10.1007/s00033-021-01524-8__Zeitschrift Für Angewandte Mathematik Und Physik, vol. 72, no. 3, 96, Springer Science and Business Media LLC, 2021, doi:10.1007/s00033-021-01524-8.
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