Positive intertwiners for Bessel functions of type B
M. Rösler, M. Voit, Proceedings of the American Mathematical Society 149 (2021) 1151–1163.

A fully cross-diffusive two-component evolution system: Existence and qualitative analysis via entropy-consistent thin-film-type approximation.
Y. Tao, M. Winkler, Journal of Functional Analysis 281 (2021).

The dampening role of large repulsive convection in a chemotaxis system modeling tumor angiogenesis.
Y. Tao, M. Winkler, Nonlinear Analysis, Theory, Methods and Applications 208 (2021).

Immediate regularization of measure-type population densities in a two-dimensional chemotaxis system with signal consumption.
Y. Wang, M. Winkler, Z. Xiang, Science China Mathematics 64 (2021) 725–746.

Small-density solutiions in Keller-Segel systems involving rapidly decaying diffusivities.
M. Ding, M. Winkler, Nonlinear Differential Equatiions and Applicatiions 28 (2021).

Global smooth solutions in a two-dimensional cross-diffusion system modeling propagation of urban crime.
Y. Tao, M. Winkler, Communications in Mathematical Sciences 19 (2021) 829–849.

Taxis-driven formation of singular hotspots in a May-Nowak type model for virus infection.
Y. Tao, M. Winkler, SIAM Journal on Mathematical Analysis 53 (2021) 1411–1433.

Local energy estimates and global solvability in a  threee-dimensional chemotaxis-fluid system with prescribed signal on the boundary.
Y. Wang, M. Winkler, Z. Xiang, Communications in Partial Differential Equations 46 (2021) 1058–1091.

Global solvability in a threee-dimensional Keller-Segel.Stokes system involving arbitrary superlinear logistic degradation
Y. Wang, M. Winkler, Z. Xiang, Advances in Nonlinear Analysis 10 (2021) 707–731.

Critical mass for infinite-time blow-up in a haptotaxis system with nonlinear zero-order interaction
Y. Tao, M. Winkler, Discrete and Continuous Dynamical Systems 41 (2021) 439–454.

Imaginary multiquadratic number fields with class group of exponent $ and $
J. Klüners, T. Komatsu, Mathematics of Computation 90 (2021) 1483–1497.

Spanning the isogeny class of a power of an elliptic curve
M. Kirschmer, F. Narbonne, C. Ritzenthaler, D. Robert, Mathematics of Computation 91 (2021) 401–449.

Algebraic geometry of Lie bialgebras defined by solutions of the classical Yang-Baxter equation
I. Burban, R. Abedin, Communications in Mathematical Physics 387 (2021) 1051–1109.

Conceptualising and measuring domain-specific content knowledge of early childhood educators: A systematic review
J. Bruns, H. Gasteiger, C. Strahl, Review of Education 9 (2021) 500–538.

Eine mustergültige Wissenschaft
J. Bruns, T. Schopferer, . . TPS – Theorie und Praxis der Sozialpädagogik 11 (2021) 28–32.

Place value and regrouping as seperate constructs of place value understanding
S. Jensen, H. Gasteiger, J. Bruns, in: M. Inprasitha, N. Changsri, N. Boonsena (Eds.), Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education, 2021, pp. 101–109.

Context and Implications Document for: Conceptualising and measuring domain-specific content knowledge of early childhood educators: A systematic review
J. Bruns, H. Gasteiger, C. Strahl, Review of Education 9 (2021) 539–540.

Stellenwertverständnis: Verständnis von Stellenwertprinzip und Bündelungsprinzip als separate Konstrukte
S. Jensen, H. Gasteiger, J. Bruns, in: Gesellschaft für Didaktik der Mathematik (Ed.), Beiträge zum Mathematikunterricht 2021, WTM-Verlag, 2021.

The role of strategy-based motivation in mathematical problem solving: The case of learner-generated drawings
J. Schönherr, S. Schukajlow, J. Blomberg, C. Leopold, Learning and Instruction 80 (2021).

Relaxed parameter conditions for chemotactic collapse in logistic-type parabolic–elliptic Keller–Segel systems
T. Black, M. Fuest, J. Lankeit, Zeitschrift Für Angewandte Mathematik Und Physik 72 (2021).