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Winter Term 2025/26, Doctoral School Events
2025-12-19 Doctoral School Seminar (10:30–12:30, TU Graz, Seminarraum 2 Geometrie, Kopernikusgasse 24/IV)
Duc Anh Nguyen (Uni. Advisor: Q. B. Tang): Global well-posedness and stability analysis of a degenerate reaction diffusion system for a prey-predator and natural enemy interaction

Abstract: In this study, we consider a degenerate reaction-diffusion system that models the interactions among the prey, the predator, and the predator's natural enemy. The global existence and the uniform boundedness in time of the solution are proved. Next, we present the stability analysis of the constant equilibria, in which we identify a sufficient condition under which Turing instability does not occur and prove the nonlinear stability of these equilibria.[hide abstract]

Maryna Manskova (TU. Advisor: C. Aistleitner, P. Grabner): Norms of partial sums operators for a basis with respect to a filter [show abstract]
Eduard Stefanescu (TU. Advisor: C. Aistleitner): On the maximal volume of empty convex bodies amidst multivariate dilates of a lacunary integer sequence [show abstract]
2026-01-16 Doctoral Day (HS 11.01 & 11.03, Heinrichstr. 36, Univ. Graz)
(09:00 HS 11.01 — Welcome)
Max Gutkin (TU. Advisor: M. Kang, J. Erde): Thresholds for Froböse percolation in the hypercube [show abstract]
Benedikt Hahn (TU. Advisor: B. Vogtenhuber, B. Klinz): Combinatorial Optimization on Drawings of Graphs: The Geometric k-Colored Crossing Number [show abstract]
Daniel Strenger-Galvis (TU. Advisor: S. Hörmann): Quantifying and testing dependence to categorical variables [show abstract]
(10:15—10:45 Coffee Break)
Erion Morina (Uni. Advisor: M. Holler): Exact Parameter Identification in PET Pharmacokinetic Modeling [show abstract]
Isabel Pretterhofer (TU. Advisor: B. Klinz, E. Dragoti-Cela): Monte Carlo Tree Search for the Container Loading Problem [show abstract]
Joseph Dorfer (TU. Advisor: O. Aichholzer, C. Ceballos): The complexity landscape of flipping odd matchings [show abstract]
(12:00—13:30 Lunch Break. Doctoral Day continues in HS 11.03)
Ethan Williams (TU. Advisor: E. Dragoti-Cela, B. Klinz): Fair division of indivisible goods over time [show abstract]
Tobias Kaltenbacher (TU. Advisor: O. Steinbach): A simplicial space-time finite element method for the Stokes System [show abstract]
(14:20—14:50 Coffee Break)
Willem Hansen (TU. Advisor: C. Elsholtz, C. Frei): Counting D4 extensions by multi-heights [show abstract]
Julius Baumhakel (TU. Advisor: S. Hörmann): Testing for Isotropy of Function-Valued Random Fields [show abstract]
(15:40 Closure)