Oberseminar

Das Oberseminar des IAG findet in unregelm��igen Abst��nden dienstags, 13.15 Uhr�� statt. Zu den Vortr��gen sind alle Interessierten herzlich eingeladen.

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��bersicht der Vortr��ge

17. M��rz 2026	Jon Pal Hamre KTH Stockholm	Chow classes of matroids and standard Young tableaux	Abstract
20. Januar 2026	Fritz Grimpen Universit��t Bremen	Relative homological algebra for upper set modules	Abstract
13. Januar 2026	Chantal Friedrich�� Universit��t Rostock	Non-trivial intersecting families	Abstract
9. Dezember 2025	Gabor Nagy�� Universit��t Szeged	On the algebraic structure of midpoint operations in�� C-algebras*	Abstract
2. Dezember 2025	Victoriia Borovik MPI Leipzig	Graphical Scattering Equations	Abstract
25. November 2025	Aida Maraj MPI Dresden	Toric Geometry via Lie Theory	Abstract
18. November 2025 Vortrag entf��llt!	Fritz Grimpen Universit��t Bremen	Relative homological algebra for upper set modules	Abstract
11. November 2025	Marco Ghirlanda Universit��t T��bingen	A classification algorithm for reflexive simplices	Abstract
21. Oktober 2025	Laura Jotschke TU Dresden	KI-Kompetenzen angehender Mathematiklehrkr��fte - Eine Einstellungs- und Nutzungsanalyse mit Ausblick	Abstract
3. Juni 2025	Boulos El Hilany Universit��t Magdeburg	��The polyhedral type of a complex polynomial map on the plane	Abstract
20. Mai 2025	Timo de Wolff TU Braunschweig	Recent Developments in Sparse Polynomial Optimization	Abstract
13. Mai 2025	Zhuang He HU Berlin	Reflexive polytopes and the Picard ranks of Gorenstein Fano toric varieties Dieser Vortrag beginnt 14 Uhr!	Abstract
6. Mai 2025	Charlene Wei�� University Amsterdam, NL	Codes and Designs	Abstract
29. April 2025	Johannes Hofscheier University of Nottingham, UK	Complexity in Birational Geometry and the Generalised Mukai Conjecture	Abstract
10. Dezember 2024	Christian Haase FU Berlin	Exploring the Fine adjunction spectrum	Abstract
5. November 2024	Barbara Betti MPI Leipzig	Proudfoot-Speyer degenerations of scattering equations	Abstract
15. Oktober 2024	Fabian Lenzen TU Berlin	Multiparameter persistent cohomology and local duality	��Abstract
2. Juli 2024	Mario Bauer Universit��t Konstanz	Chow ring of complete quadrics	��Abstact
28. Mai 2024	Max Schulz Universit��t Rostock	The Recursive Behaviour of the Number of Irreducible Polynomials with Certain Properties over Finite Fields	��Abstract
23. Januar 2024	Gabriele Balletti Stockholm	Computer-assisted Ehrhart theory	Abstract
16. Januar 2024	Alex Constantinescu FU Berlin	Cotangent Cohomology for Matroids	Abstract
19. Dezember 2023	Maximilian Wiesman MPI Leipzig	Quantum Graphical Models	Abstract
12. Dezember 2023	David Ploog Universitetet i Stavanger	The heart fan of an abelian category��	��Abstract
4. Dezember 2023	Waltraud Lederle TU Dresden	Boomerang subgroups	��Abstract
14. Nobember 2023	Janina Krawitz Univ. Paderborn StanislawSchukajlow Univ. M��nster James Morgan Univ. of Sydney	Mathematisches Modellieren und Problem Posing �� On the complexity of two-bridge link complements	��Abstract �� Abstract
24. Oktober 2023	Mireille Soergel MPI Leipzig	tba	��
17. Oktober 2023	Julia Heller KIT	Conformal Dimension of the Boundary for Hyperbolic Coxeter Groups	��Abstract
4. Juli 2023	Angela Carnevale University of Galway	��Matrices, board games, and orbits	��Abstract
27. Juni 2023	Tanka Nath Dhamala Tribhuvan University Kathmandu, Nepal	Insights on Efficient Evacuation Planning Issues	��Abstract
Do! 22. Juni 2023	Lorenzo Baldi INRIA Paris	Non-negative Polynomials on Real Plane Curves	��Abstract
20. Juni 2023	Paul Zellhofer Universit��t zu Kiel	��Ein geometrischer Zugang zur Konstant-Konvexit��t	��Abstract
13. Juni 2023	Anke Lindmeier und Birke Weber Universit��t Jena und Universit��t zu Kiel	"Lehramtsaufgaben" in ��bungen zu fachwissenschaftlichen Vorlesungen - ein Mittel zur Adressierung der zwei Diskontinuit��ten?	��Abstract
6. Juni 2023	Jacinta Torres Jagiellonian University Krakow, PL	��Atoms and charge beyond type A	��Abstract
1. Juni 2023	Robert Zeier Forschungszentrum J��lich	Lie-algebraic symmetry analysis for quantum computing	Abstract
30. Mai 2023	Vadym Kurylenko SISSA, Trieste	Thin Simplices via Modular Arithmetic	��Abstract
23. Mai 2023	Robin Schabert UiT The Arctic University of Norway	��Linear slices of hyperbolic polynomials	��Abstract
18. April 2023	Ben Hollering MPI Leipzig	Toric Ideals of Characteristic Imsets via Quasi-Independence Gluing	Abstract
4. April 2023	Hany Ibrahim TU Freiberg / HS Mittweida	Edge Contraction and Forbidden Induced Subgraphs	��Abstract
21. M��rz 2023	Lars B��gemannskemper Universit��t Bielefeld	Functional equation for local (pro-isomorphic) zeta functions of groups and Igusa functions	��Abstract
16. Februar 2023 (Do)	Tomasz Kowalczyk Uniwersytet Krakowie, PL	Sums of even powers of k-regulous functions	��Abstract
14. Februar 2023	Luis Paris Universit�� de Bourgogne, Frankreich	Dyer groups	��Abstract
24. Januar 2023	Bianca Marchionna Universit��t Bielefeld / Univ. Milano-Bicocca	Double-coset zeta functions for groups acting on trees	��Abstract
17. Januar 2023	Pierpaola Santarsiero MPI Leipzig	On the symmetric geometric rank of tensors	��Abstract
13. Dezember 2022	Alex Black UC Davies, CA, USA	Smooth Torus Orbit Closures in Flag Varieties	Abstract
6. Dezember 2022	Lara Be��mann Universit��t M��nster	Uniqueness of universal groups for right-angled buildings	Abstract
29. November 2022	Tobias Boege MPI Leipzig	Polynomial systems in information theory	��Abstract
1. November 2022	Sebastian Debus OvGU Magdeburg	The even Vandermonde map and sums of squares at infinity	��Abstract
18. Oktober 2022	Khanh Nguyen Duc University at Albany, U.S.	Newton polytope of good symmetric functions	��
19. Juli 2022	Armin Wei�� Universit��t Stuttgart	The isomorphism problem for virtually free groups	Abstract
12. Juli 2022	Marcel Celaya ETH Z��rich, CH	Patchworking Oriented Matroids	Abstract
5. Juli 2022	Yulia Alexandr UC Berkeley	Combinatorics of logarithmic Voronoi cells	��Abstract
21. Juni 2022	Michael Schein Bar-Ilan University, Israel	An application of model theory to a counting problem in algebra: the effect of central amalgamation on normal subgroup growth in nilpotent groups	Abstract
14. Juni 2022	Alexander Salle Universit��t Osnabr��ck	Herleitung von Grundvorstellungen als normative Leitlinien	Abstract
7. Juni 2022	Sofia Garzon Mora FU Berlin	Fine Polyhedral Adjunction Theory	Abstract
31. Mai 2022	Philip M��ller Universit��t M��nster	Automorphisms of graph products: Normal subgroups, the center and automatic continuity	Abstract
24. Mai 2022	Ederson Dutra Sao Carlos / Regensburg	Nielsen equivalence in Fuchsian groups	Abstract
26. April 2022	Max Hoffmann Universit��t Paderborn	Konzeption professionsorientierter Fachvorlesungen: Ein Praxisbericht zur "Geometrie f��r Lehramtsstudierende"	Abstract
19. April 2022	Raphael Appenzeller ETH Z��rich, CH	Axiomatics of Lambda-trees	Abstract
5. April 2022	Eliana Duarte Universidade do Porto, Portugal	Representation of Context-Specific Causal models	Abstract
25. Januar 2022	Matthias Mohr LMU M��nchen	Die Entwicklung von Erwartungs- und Wert��berzeugungen	Abstract
18. Januar 2022	Sebastian Bischof Justus-Liebig-Universit��t Gie��en	On the Extension theorem for twin buildings	Abstract
11. Januar 2022	Beatrice Pozzetti Universit��t Heidelberg	The real spectrum compactification of character varieties	Abstract
30. November 2021	Tan Nhat Tran Ruhr-Universit��t Bochum	Characteristic and Ehrhart quasi-polynomials for root systems	Abstract
23. November 2021	Hendrik S�� Friedrich-Schiller-Universit��t Jena	Mahler volumes and normalised volumes of singularities	Abstract
16. November 2021	Joshua Maglione Universit��t Bielefeld	Zeta functions and flag Hilbert-Poincar�� series of hyperplane arrangements	Abstract
19. Oktober 2021	Ivan Soprunov Cleveland State University	Zeros of sparse polynomials over finite fields	Abstract
1. September 2021	Ismael Gutierrez Garcia Universitdad del Norte Barranquilla, Kolumbien	t-Graph over finitely generated Groups and grid Codes	Abstract
6. Juli 2021	Lutz Warnke Georgia Institute of Technology	The density of Costas arrays decays exponentially	Abstract
29. Juni 2021	Julius Giesler Universit��t T��bingen	Lattice polytopes and hypersurfaces in toric 3-folds	Abstract
22. Juni 2021	Andriy Regeta Friedrich-Schiller-Universit��t Jena	When is a variety determined by its group of automorphisms?	Abstract
15. Juni 2021	Sam Corson University of Bristol	Groups with finitary behaviour	Abstract
8. Juni 2021	Khanh Nguyen Duc Universit�� Claude Bernard, Lyon	On the shifted Littlewood-Richardson coefficients and the Littlewood-Richardson coefficients	Abstract
1. Juni 2021	Tobias Rolfes IPN Kiel	Fr��her war alles besser!? Mathematikleistungen von Abiturient/innen im R��ckblick	Abstract
2. Februar 2021	Janina Krawitz WWU M��nster	��Negative effect of the drawing strategy on problem solving-What are the reasons?	��Abstract
19. Januar 2021	Aida Maraj MPI-MiS Leipzig	(Reciprocal) Maximum Likelihood Degree of some Phylogenetic Models	Abstract
12. Januar 2021	��Jane Coons North Carolina State University	��Toric Geometry of the Cavender-Farris-Neyman Model with a Molecular Clock	��Abstract
22. Dezember 2020	Christopher Voll North Carolina State University	Groups, graphs and hypergraphs - counting conjugacy classes of p-groups and averaging generic matrices with support constraints	Abstract
15. Dezember 2020	Michael Dougherty Swarthmore College, Pennsylvania USA	Geometric Combinatorics for Polynomials	Abstract
8. Dezember 2020	Carlos Amendola Ceron Technische Universit��t M��nchen	Likelihood Geometry of Correlation Models	Abstract
1. Dezember 2020	Annette Karrer Technion Haifa	Contracting boundaries of right-angled Coxeter groups	��Abstract
17. November 2020	Lukas K��hne MPI-MiS Leipzig	The Resonance Arrangement	Abstract
10. November 2020	Michael Kallweit Ruhr-Universit��t Bochum	STACK Aufgaben in Moodle	��Abstract
27. Oktober 2020	Xiangying Chen FU Berlin	��Matroids, Chow rings and log-concavity��	��Abstract
8. Mai 2019	Dawid Kielak Uni Bielefeld	��	��
30. April 2019	Benjamin Br��ck Uni Bielefeld	��	��
23. April 2019	Silke Neuhaus OVGU	Proof comprehension of undergraduate students	��
16. April 2019	Alessandro Oneto OVGU	��	��
9. April 2019	Giulia Codenotti FU Berlin	Hollow polytopes of large width	Abstract
29. Januar 2019	Liam Solus KTH Stockholm	Real zeros and the alternatingly increasing property in algebraic combinatorics	Abstract
22. Januar 2019	Julia Heller KIT	��	��
15. Januar 2019	Lena Walter FU Berlin	��	��
8. Januar 2019	Daniel H��ttig Uni T��bingen	��	��
11. Dezember 2018	Daniele Agostini HU Berlin	��	��
20. November 2018	Heidemarie Br��sel Magdeburg	F��hrung durch Ausstellung "Aus der Ebene in den Raum" von Br��sels & Co. in der Universit��tsbibliothek Magdeburg	��

Letzte ��nderung: 12.03.2026 -
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Oberseminar

����bersicht der Vortr��ge

��bersicht der Vortr��ge