October 2025
Disputation: Sofiya Onyshkevych "Shape Optimization for Aerodynamic Problems"
Invitation to the university-public part-digital disputation in the context of the doctoral project of
Ms. Sofiya Onyshkevych
Title of the thesis: „Shape Optimization for Aerodynamic Problemsy“
Colloquium on Applied Mathematics: Prof Dr. Babette de Wolff
Lothar-Collatz-Colloquium on Applied Mathematics
Presenter: Prof. Dr. Babette de Wolff (University of Hamburg, Department of Mathematics, Applied Mathematics)
Lecture title: Networks, delays and patterns
Abstract: PDF
November 2025
Colloquium on Applied Mathematics: Prof Dr. Bastian Harrach
Lothar-Collatz-Colloquium on Applied Mathematics
Presenter: Prof. Dr. Bastian Harrach (Goethe University Frankfurt am Main, Institute of Mathematics)
Lecture title: From inverse problems in PDEs to convex semidefinite optimization
Abstract: PDF
Colloquium on Applied Mathematics: Prof Dr. Markus Bachmayr
Lothar-Collatz-Colloquium on Applied Mathematics
Presenter: Prof. Dr. Markus Bachmayr (RWTH Aachen University, Institute for Geometry and Applied Mathematics )
Lecture title: Low-rank approximations for time-dependent partial differential equations
Abstract: PDF
Colloquium on Applied Mathematics: Prof Dr. Vadym Aizinger
Lothar-Collatz-Colloquium on Applied Mathematics
Presenter: Prof. Dr. Vadym Aizinger (University of Bayreuth, Chair of Scientific Computing)
Lecture title: Performance portability of a discontinuous Galerkin shallow water model on CPUs, GPUs, and FPGAs
Abstract: PDF
December 2025
Colloquium on Applied Mathematics: Prof Dr. Kaname Matsue
Lothar-Collatz-Colloquium on Applied Mathematics
Presenter: Prof. Dr. Kaname Matsue (Kyushu Universit, Japan, Institute of Mathematics for Industry)
Lecture title: Description of finite-time singularities via dynamics at infinity
Abstract: PDF
Colloquium on Applied Mathematics: Prof Dr. Tomas Sauer
Lothar-Collatz-Colloquium on Applied Mathematics
Presenter: Prof. Dr. Tomas Sauer (University of Passau, Chair of Digital Image Processing)
Lecture title: Compression, visualization and handling of really large CT images
Abstract: PDF
Colloquium on Applied Mathematics: Prof Dr. Angela Stevens
Lothar-Collatz-Colloquium on Applied Mathematics
Presenter: Prof. Dr. Angela Stevens (University of Münster, Institute for Analysis and Numerics)
Lecture title: Kinetic equations in mathematical epidemiology and 'complete' sets of invariants
Abstract: PDF
January 2026
Colloquium on Applied Mathematics: Prof Dr. Marcus Waurick
Lothar-Collatz-Colloquium on Applied Mathematics
Presenter: Prof. Dr. Marcus Waurick (Technische Universität Bergakademie Freiberg, Institute of Applied Analysis)
Lecture title: Nonlocal effects induced by homogenization of metamaterials
Abstract: PDF
Colloquium on Applied Mathematics: Prof Dr. Andrea Walther
Lothar-Collatz-Colloquium on Applied Mathematics
Presenter: Prof. Dr. Andrea Walther (Humboldt-Universität zu Berlin, Department of Mathematics)
Lecture title: On optimality conditions for nonsmooth functions
Abstract: PDF