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Talks and Seminars
November 2024
- Nov 21
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Nov 25
Tomáš Dohnal, "Surface Plasmon Problem: Spectral Analysis and Existence of Nonlinear Polychromatic Solutions" Oberseminar Mathematical Physics
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Nov 26
Jeff Hicks, "Nonpositively curved Lagrangian submanifolds from Tropical Geometry" Bonn symplectic geometry seminar
December 2024
- Dec 03
- Dec 03
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Dec 05
Pedro Cardoso, "Linear and nonlinear fractional PDEs from interacting particle systems" Oberseminar Stochastics
- Dec 09
- Dec 11
- Dec 13
- Dec 13
- Dec 17
January 2025
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Jan 06
Thorben Tröbst, "Cardinal-Utility Matching Markets: The Quest for Envy-Freeness, Pareto-Optimality, and Efficient Computability" Oberseminar Discrete Optimization
- Jan 07
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Jan 07
Anupam Datta, "Equivariant KK-theory and model categories" Oberseminar Global Analysis and Operator Algebras
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Jan 14
Koen van den Dungen, "Dirac-Schrödinger operators and a general Callias Theorem" Oberseminar Global Analysis and Operator Algebras
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Jan 21
Max Reinhold Jahnke, "A class of globally analytic hypoelliptic operators on compact Lie groups" Oberseminar Global Analysis and Operator Algebras
- Jan 24
- Jan 24
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Jan 28
André de Sousa Guimarães, "K-homology of Poincaré duality algebras" Oberseminar Global Analysis and Operator Algebras
February 2025
- Feb 03
- Feb 17
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Feb 21
László Végh, Sharat Ibrahimpur, "10th Colloquium of the Research Area C3" C3 Kolloquium / Colloquium of the Research Area C3
March 2025
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Mar 24
Phuc Hung Hong, "Fine-Grained Complexity of Computing Degree-Constrained Spanning Trees" Oberseminar Discrete Optimization
- Mar 31
April 2025
- Apr 10
- Apr 10
- Apr 11
- Apr 11
- Apr 24
- Apr 28
May 2025
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May 06
Maxim Braverman, "Secondary Z_2 valued index invariants" Oberseminar Global Analysis and Operator Algebras
- May 08
- May 09
- May 12
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May 12
Thomas Rothvoß, "The Subspace Flatness Conjecture and Faster Integer Programming" Oberseminar Discrete Optimization
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May 13
Koen van den Dungen, "Dirac-Schrödinger operators and a Toeplitz index theorem" Oberseminar Global Analysis and Operator Algebras
- May 14
- May 14
- May 15
- May 15
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May 16
Kostiantyn Tolmachov, "Around the centrality property of character sheaves on a reductive group" Oberseminar Darstellungstheorie
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May 16
Ben Davison, "Counting coloured 3d partitions using Jacobi algebras" Oberseminar Darstellungstheorie
- May 19
- May 20
- May 22
- May 23
- May 23
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May 23
Viktor Levandovskyy, "Computer algebra: algorithms and implementations for associative algebras" Oberseminar Darstellungstheorie
- May 23
- May 23
- May 26
- May 30
June 2025
- Jun 02
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Jun 03
Oliver Fürst, "Higher order spectral shift and Callias operators" Oberseminar Global Analysis and Operator Algebras
- Jun 05
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Jun 16
Alexander Lindermayr, "Non-Clairvoyant Scheduling: Proportional Fairness and Progress Bars" Oberseminar Discrete Optimization
- Jun 16
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Jun 17
Michael Joachim, "Twisted spin cobordism and D-brane homology" Oberseminar Global Analysis and Operator Algebras
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Jun 20
Jacob Matherne, "Kazhdan–Lusztig functions and Chow functions of partially ordered sets" Oberseminar Darstellungstheorie
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Jun 20
Tom Braden, "Perverse sheaves on symmetric products of the plane, Schur algebras and K-theory" Oberseminar Darstellungstheorie
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Jun 24
Jilly Kevo, "Trace and Regularized Index of Callias Operators on Hyperbolic Space" Oberseminar Global Analysis and Operator Algebras
- Jun 26
- Jun 26
- Jun 27
- Jun 27
- Jun 27
- Jun 30
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Jun 30
Thekla Hamm, "A Framework for Approximating Solutions Rather than Solution Values Parameterized by Treewidth" Oberseminar Discrete Optimization
July 2025
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Jul 01
Nikhil Savale, "The eta invariant of a circle bundle on a Fano manifold" Oberseminar Global Analysis and Operator Algebras
- Jul 03
- Jul 03
- Jul 07
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Jul 08
Bento Natura, "A Unified Analytical Approach to Strongly Polynomial Algorithms for Structured Linear Programs" Oberseminar Discrete Optimization
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Jul 08
Ahmad Reza Haj Saeedi Sadegh, "A Fixed-point Formula for Non-elliptic Dirac Operators" Oberseminar Global Analysis and Operator Algebras
- Jul 10
- Jul 10
- Jul 11
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Jul 14
Britta Peis, "On the Approximability of Train Routing and the MinMax Disjoint Paths Problem" Oberseminar Discrete Optimization
- Jul 17
- Jul 17
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Jul 18
Bill Cook, Luise Puhlmann, "11th Colloquium of the Research Area C3" C3 Kolloquium / Colloquium of the Research Area C3
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Jul 21
Joakim Blikstad, "Maximum Flow by Augmenting Paths in $n^{2+o(1)}$ Time" Oberseminar Discrete Optimization
September 2025
- Sep 01
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Sep 10
Chris Bourne, "A C*-module framework for discrete quantum systems" Oberseminar Global Analysis and Operator Algebras
- Sep 10
- Sep 10
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Sep 15
Ryan Hayward, "A Proof of the Albert-Grossman-Nowakowski-Wolfe Alternating Linear Clobber Conjecture" Oberseminar Discrete Optimization
- Sep 26
- Sep 26
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Sep 29
Alexandra Lassota, "Integer Programs through the Lens of Fixed-Parameter Tractability" Oberseminar Discrete Optimization
October 2025
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Oct 13
Ryoga Mahara, "Existence of Fair and Efficient Allocation of Indivisible Chores" Oberseminar Discrete Optimization
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Oct 14
Devarshi Mukherjee, "Bivariant K-Theory for Bornological Algebras" Oberseminar Global Analysis and Operator Algebras
- Oct 16
- Oct 17
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Oct 17
Qingyuan Bai, Martin Ortez, and Paul Boisseau, "Short postdoc talks" Arithmetic Geometry and Representation Theory Research Seminar
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Oct 21
Malte Leimbach, "Spectral truncations, operator systems and compact quantum metric spaces in noncommutative geomtery" Oberseminar Global Analysis and Operator Algebras
- Oct 21
- Oct 22
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Oct 24
Rose Berry, "joint with Oberseminar Darstellungstheorie DIFFERENT LOCATION" Arithmetic Geometry and Representation Theory Research Seminar
- Oct 24
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Oct 28
Stefan Oberdörster, "Mixing of Markov chain Monte Carlo methods via Couplings" CRC 1720: Early Career Seminar
- Oct 28
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Oct 29
Andrew Ng, "Fibring hyperbolic Coxeter groups with finitely presented kernel" Geometric Group Theory Oberseminar
- Oct 30
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Oct 31
Alexandre Maksoud, Thibaud van den Hove, Peter Dillery, "short postdoc talks" Arithmetic Geometry and Representation Theory Research Seminar
- Oct 31
November 2025
- Nov 03
- Nov 03
- Nov 03
- Nov 04
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Nov 04
Gihyun Lee, "Vector-valued oscillatory integrals and $(\rho,\delta)$-type pseudodifferential calculus" Oberseminar Global Analysis and Operator Algebras
- Nov 04
- Nov 05
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Nov 05
Motiejus Valiunas, "Means on groups and degrees of commutativity" Geometric Group Theory Oberseminar
- Nov 06
- Nov 07
- Nov 07
- Nov 07
- Nov 10
- Nov 10
- Nov 10
- Nov 11
- Nov 11
- Nov 11
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Nov 11
Lennart Ronge, "The equivariant index theorem on Lorentzian spacetimes" Oberseminar Global Analysis and Operator Algebras
- Nov 12
- Nov 12
- Nov 13
- Nov 13
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Nov 13
Partha Ghosh, "Extremal Process of Last Progeny Modified Branching Random Walks" Oberseminar Stochastics
- Nov 14
- Nov 18
- Nov 18
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Nov 19
Waltraud Lederle, "Invariant random subgroups, elementwise conservative actions and boomerang subgroups" Geometric Group Theory Oberseminar
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Nov 20
Daniel Boutros, "Onsager-type conjectures for boundary-driven and geophysical flows" Oberseminar Analysis
- Nov 20
- Nov 20
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Nov 21
Josh Lam, "Non-abelian cohomology, differential equations, and p-curvatures" Arithmetic Geometry and Representation Theory Research Seminar
- Nov 21
- Nov 21
- Nov 21
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Nov 25
Marina Prokhorova, "Index theory for unbounded Fredholm operators" Oberseminar Global Analysis and Operator Algebras
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Nov 26
Ian Leary, "Comparing commutator subgroups of right-angled Artin and Coxeter groups (joint work with Nansen Petrosyan)" Geometric Group Theory Oberseminar
- Nov 27
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Nov 28
Aleksander Horawa, "The arithmetic of Fourier coefficients of automorphic forms on G2" Arithmetic Geometry and Representation Theory Research Seminar
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Nov 28
Lei Shi, "On the generalized graded cellular bases for cyclotomic quiver Hecke-Clifford algebras" Oberseminar Darstellungstheorie
December 2025
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Dec 01
Adrian Vladu, "Breaking the Barrier of Self-Concordant Barriers: Faster Interior Point Methods for M-Matrices" Oberseminar Discrete Optimization
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Dec 04
Panagiotis Zografos, "Domino tilings of the Aztec diamond in random environment" Oberseminar Stochastics
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Dec 05
Mick Gielen, "The canonical dimension: using the Bruhat-Tits building to investigate the wavefront set" Arithmetic Geometry and Representation Theory Research Seminar
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Dec 05
Peter Fiebig, "A chromatic decomposition of the cohomology of Grassmannians" Oberseminar Darstellungstheorie
- Dec 08
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Dec 09
Marina Prokhorova, "Index theory for unbounded Fredholm operators II" Oberseminar Global Analysis and Operator Algebras
- Dec 10
- Dec 11
- Dec 11
- Dec 12
- Dec 12
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Dec 12
Ben Heuer, "Hodge-Tate theory for p-adic character varieties" Arithmetic Geometry and Representation Theory Research Seminar
- Dec 16
- Dec 17
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Dec 17
Alessandro Sisto, "Towards geometric finiteness in mapping class groups" Geometric Group Theory Oberseminar
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Dec 18
Yun Shi, "SAG: Stability of line bundles and vector bundles on some surfaces" Seminar Algebraic Geometry (SAG)
- Dec 18
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Dec 18
Joscha Henheik, "Convergence behaviour of unadjusted kinetic Langevin sampler" Oberseminar Stochastics
January 2026
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Jan 07
Xiyan Zhong, "Prym Representations and Twisted Cohomology of the Mapping Class Group with Level Structures" Geometric Group Theory Oberseminar
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Jan 08
Miguel Moreira, "SAG: Wall-Crossing for K-theoretic Invariants via Non-Abelian Localization" Seminar Algebraic Geometry (SAG)
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Jan 09
Michael Rapoport, "Integral models of Shimura varieties beyond parahoric level" Arithmetic Geometry and Representation Theory Research Seminar
- Jan 09
- Jan 12
- Jan 13
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Jan 13
Lashi Bandara, "Trace, Regularity, Fredholmness: the story of non-compact boundary for first-order elliptic operators" Oberseminar Global Analysis and Operator Algebras
- Jan 14
- Jan 14
- Jan 15
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Jan 15
Qaasim Shafi, "SAG: Hilbert schemes of points, quantum cohomology and tropical curves" Seminar Algebraic Geometry (SAG)
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Jan 15
Helge Holden, "The Abel Prize : one of the most prestigious prizes in mathematics" Oberseminar Analysis
- Jan 15
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Jan 16
Ko Aoki, "Realizations of Berkovich Motives via 2-Categories" Arithmetic Geometry and Representation Theory Research Seminar
- Jan 16
- Jan 19
- Jan 19
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Jan 19
Bruno Vallette, "Introduction to algebraic operads and homotopical algebra" Oberseminar Darstellungstheorie
- Jan 20
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Jan 20
Bruno Vallette, "Introduction to algebraic operads and homotopical algebra" Oberseminar Darstellungstheorie
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Jan 20
Malte Leimbach, "Convergence of spectral truncations of tori and compact quantum groups" Oberseminar Global Analysis and Operator Algebras
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Jan 21
Bruno Vallette, "Introduction to algebraic operads and homotopical algebra" Oberseminar Darstellungstheorie
- Jan 22
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Jan 22
Lyalya Guseva, "SAG: Homological Projective Duality for Grassmannian Gr(3,6)" Arithmetic Geometry and Representation Theory Research Seminar
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Jan 22
Bruno Vallette, "Introduction to algebraic operads and homotopical algebra" Oberseminar Darstellungstheorie
- Jan 23
- Jan 23
- Jan 23
- Jan 26
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Jan 27
Ksenia Fedosova, "Convolution identities for divisor functions" Oberseminar Global Analysis and Operator Algebras
- Jan 28
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Jan 29
Andrea Fanelli, "SAG: Iskovskikh’s Theorem for Regular Surfaces over Imperfect Fields" Seminar Algebraic Geometry (SAG)
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Jan 29
Matthias Roeger, "Variational models for biomembranes: confined elastic structures" Oberseminar Analysis
- Jan 29
- Jan 30
February 2026
- Feb 04
- Feb 06
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Feb 06
Speaker tba, "Arithmetic Geometry and Representation Theory Research Seminar" Arithmetic Geometry and Representation Theory Research Seminar
- Feb 10
- Feb 17
- Feb 24
March 2026
- Mar 03
- Mar 04
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Mar 05
André Nusser, Antonia Ellerbrock, "12th Colloquium of Research Area C3" C3 Kolloquium / Colloquium of the Research Area C3
- Mar 10
- Mar 17
March 2026
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Mar 31
Jilly Kevo, "Trace and Regularized Index of Callias Operators on Hyperbolic Space" Oberseminar Global Analysis and Operator Algebras
April 2026
- Apr 01
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Apr 14
TBD, "Research Topics in Arithmetic Geometry and Representation Theory" Arithmetic Geometry and Representation Theory Research Seminar
- Apr 27
- Apr 27
May 2026
- May 11
June 2026
- Jun 15
- Jun 16 - Jul 17
July 2026
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Jul 06
Katja Krüger, "Zur Einführung des Stochastikunterrichts in der BRD seit den 1960er Jahren" new Toeplitz Colloquium
September 2026
- Sep 17 - Sep 18