Oberseminar Stochastik

The advanced seminar in stochastics usually takes place on Wednesdays from 4:00 PM to 5:00 PM. In-person lectures are held in room SRZ 216 , and digital lectures are available via Zoom (password available upon request).

Conferences and other events can be found here.

Program:

Wintersemester 2026/2027

Date	Speaker	Institute	Title
November 11, 2026	Steffen Polzer	IST Austria	tba
December 16, 2026	RTG Colloquium: Remco van der Hofstad	Eindhoven University of Technology	tba

Summer semester 2026

Date	Speaker	Institute	Title
April 15, 2026	Ilya Chevyrev	SISSA	Large field problem in coercive SPDEs via scaling
April 22, 2026	RTG Colloquium: Perla Sousi	Cambridge University	The cutoff phenomenon for random walks
April 29, 2026	Morris Brooks	University of Zurich	The Fröhlich polaron at strong coupling
May 20, 2026	RTG Colloquium: Marek Biskup	UCLA	Fluctuations of the eigenvalues in the crushed-ice problem
June 17, 2026	RTG Colloquim: Giovanni Peccati	University of Luxembourg	Unusual structures in Gaussian random waves
July 1, 2026	Francesco Deangelis	University of Muenster	Stochastic homogenization of fractional obstacle problems
July 8, 2026	RTG Colloquium: Anita Winter	University of Duisburg-Essen	tba
July 15, 2026	Stefan Perko	University of Jena	tba

Winter semester 2025/2026

Date	Speaker	Institute	Title
October 29, 2025	RTG Colloquium: Antoine Gloria	Sorbonne Université & Université Libre de Bruxelles	Effective ellipticity for high contrast homogenization
November 5, 2025	Eduardo Silva	University of Münster	Non-universality of boundaries of amenable groups and entropy
November 12, 2025	Evgeny Spodarev	Ulm University	Random Eigenvalues of Fullerenes, Graphene and Nanotubes
November 19, 2025	Pavlos Zoubouloglou	University of Münster	The fourth moment theorem on Hilbert spaces
November 26, 2025	RTG Colloquium: Alejandro Ramírez	NYU Shanghai	Weak KPZ universality of the stochastic heat equation
December 3, 2025	Alexander Van Werde	University of Münster	tba
December 10, 2025	Mathias Sonnleitner	University of Münster/University of Bielefeld	tba
January 14, 2026	RTG Colloquim: Giovanni Peccati	University of Luxembourg	tba
January 21, 2026	RTG Colloquium: Anita Winter	University of Duisburg-Essen	tba
January 28, 2026	Theo Assiotis	University of Edinburgh	tba
February 4, 2026	Quirin Vogel	University of Klagenfurt	tba

Summer semester 2025

Date	Speaker	Institute	Title
May 7, 2025	Benoit Dagallier	University of Paris-Dauphine	tba
July 2, 2025	Cyril Labbe	University of Paris-Cité	tba

Winter semester 2024/2025

Date	Speaker	Institute	Title
October 23, 2024 (Cancelled!)	Alexander Tarasov	Bielefeld University	Random walks conditioned to stay positive (The talk has been cancelled).
October 30, 2014	Quentin Berger	University of Paris	FK-percolation and Recursions on Galton-Watson Trees
November 6, 2014	Balint Toth	University Bristol and Alfred Rényi Institute	DIFFUSIVE AND SUPER-DIFFUSIVE SCALING LIMITS FOR RANDOM WALKS AND DIFFUSIONS WITH LONG MEMORY
November 13, 2024	Matteo D'Achilles	Laboratoire de Mathématiques d'Orsay	Ideal Poisson-Voronoi tessellations on and beyond hyperbolic spaces
November 13, 2024	Alexis Prevost	University of Geneva	Volume critical exponents for the metric graph Gaussian free field
November 19-22, 2024	PEPPER School	Autumn School	homepage
November 27, 2024	Elias Zimmermann	University of Leipzig	Strictly irreducible Markov chains and random ergodic theorems for semigroup actions
December 4, 2024	Mathias Beiglböck	University of Vienna	The Fundamental Theorem of Weak Optimal Transport

January 15, 2025	Maxime Ligonnière	University of Tours	Multitype Galton-Watson processes in random environments and ergodicity results for products of random operators
January 22, 2025	Lorenzo Portinale	University of Bonn	Stochastic homogenization of nonlinear minimum-cost flow problems

Summer semester 2024

Date	Speaker	Institute	Title
10.04.2024 16:00, SRZ 204	Sarah-Jean Meyer	University of Oxford	The FBSDE approach to sine-Gordon up to 6\pi
17.04.2024 16:30, SRZ 203	Chinmoy Bhattacharjee	University of Hamburg	Spectra of Poisson functionals and applications in continuum percolat ion
24.04.2024 16:00	Romain Panis	University of Geneva	The long-range Phi^4 model on Z^d
08.05.2024, SRZ 203	Dominik Schmid	University of Bonn	Approximating the stationary distribution of the open ASEP
May 15, 2024	Trishen Gunaratnam	University of Geneva	2d Sinh-Gordon model on the infinite cylinder

June 12, 2024	Frank Aurzada	TU Darmstadt	Brownian motion conditioned to spend limited time outside an interval
June 19, 2024	Victor Rivero	CIMAT Guanajuato, Mexico	Renewal theory and exponential ergodicity
July 3, 2024	Maximilian Engel	University of Amsterdam	Dynamical Properties of Stochastic Differential Equations with Shear
July 10, 2024	Felix Benning	University of Mannheim	tba

Winter semester 2023/2024

Date	Speaker	Institute	Title
October 18, 2023	Simon Gabriel	University of Münster	Of polymers, trees and critical SPDEs
November 15, 2023	Moritz Otto	Aarhus University	Compound Poisson process approximation and minimal angles in Delaunay triangles
November 22, 2023	Lorenzo Dello Schiavo	IST Austria	Wasserstein geometry and Ricci curvature bounds for Poisson spaces
November 29, 2023 , 4:00 PM in SRZ 5	Andrew Campbell	IST Austria	Repeated differentiation and random matrix compression
January 10, 2023	Franco Severo	ETH Zurich	Existence of phase transition for percolation using the GFF
January 17, 2024, 4:00 PM in SRZ 5	Justin Salez	University of Paris-Dauphine	Do there exist expanders with non-negative curvature?
January 24, 2024	Rodrigo Bazaes	University of Münster	Effective Mass of the Fröhlich Polaron: Recent Progress and Open Questions
01.02.2024 14:15 in SRZ 202	Michael Voit	TU Dortmund	Freezing Limits for Calogero-Moser-Sutherland particle models

Summer semester 2023

Date	Speaker	institution	Title
April 19, 2023	Stanislav Volkov	Lund University	Conservative random walk and related topics
May 3, 2023	Marco Rehmeier	Bielefeld University	On nonlinear Markov processes in the sense of Mc-Kean
May 10, 2023	Alessandra Faggionato	University of Rome	Symmetric simple exclusion processes on random graphs in R^d with random conductances: construction, hydrodynamics and equilibrium fluctuations
May 17, 2023	Roland Roeder	IUPUI Indianapolis	Limiting measure of the Lee-Yang zeros for the Diamond Hierarchical Lattice
May 24, 2023	Amin Coja-Oghlan	TU Dortmund	Random combinatorial matrices
June 21, 2023 (exceptionally 2:00 pm in M6 )	Anton Klimovsky Thomas van Belle	University of Würzburg University of Duisburg	Meeting and consensus time on connected Erdös-Rényi random graphs: A spectral approach
June 28, 2023	Bruno Schapira	University of Marseille	Intersectional equivalence between the ranges of random walks and branching random walks
July 5, 2023	Julien Poisat	University of Paris	The simple random walk conditioned to visit few sites in dimension three and higher
19.07.2023 SRZ 117	Gilles Bonnet	University of Groningen	Maximum degree in random graphs
July 26, 2023	Philipp Tuchel	University of Bochum	Large Deviation Principles for High-Dimensional Random Projection Volumes

Winter semester 2022/2023

Date	Speaker	institution	Title
November 9, 2022	Mathias Sonnleitner	University of Passau	Random approximation of convex bodies in the Hausdorff distance
November 16, 2022	Tejas Iyer	WIAS Berlin	The influence of competition on genetic trees associated with explosive age-dependent branching processes
November 23, 2022	Dmytro Zavadskyi	University of Münster	Infinite-dimensional generalizations of second order differential operators (semigroup approach)
December 21, 2022	Stefan Adams	University of Warwick	Scaling limits and decay of correlations for non-convex interaction
January 11, 2023	Max Fathi	University of Paris	Globally Lipschitz transport maps
January 18, 2023 , 4:00 PM	Maximilian Nitzschner	New York University	Bulk deviation lower bounds for the simple random walk
January 18, 2023	Sebastian Andres	University of Manchester	Hölder regularity and local limit theorem for random conductance models with long-range jumps
January 25, 2023	Peter Morfe	MPI Leipzig	Hamilton-Jacobi scaling limit of Pareto hull peeling
February 1, 2023	Erika Roldan	MPI Leipzig	Topology and Geometry of random cubic complexes
February 8, 2023	Ellen Powell	University of Durham, UK	Brownian excursions, conformal loop ensembles and critical Liouville quantum gravity
February 22, 2023	Pavlos Tsatsoulis	University of Bielefeld	Lyapunov exponents and synchronization by noise for systems of SPDEs

Summer semester 2022

April 27, 2022	Matthew Dickson	LMU Munich	The Triangle Condition for the Marked Random Connection Model
May 4, 2022	Arne Grauer	University of Cologne	Chemical distance in geometric random graphs with long edges and scale-free degree distribution
May 11, 2022	Vladislav Vysotsky	University of Sussex	Persistence of the AR-1 sequences with Rademacher innovations
May 18, 2022 , 4:00 PM	Stefan Junk	Tohoku University, Japan	Fluctuations for partition functin of directed polymers beyond the L^2 phase
June 1, 2022 [online]	Brian Hall	University of Notre Dame, USA	Heat flow and random matrix theory
July 13, 2022	Anna Muranova	University of Olsztyn, Poland	Recurrence and transience of generalized networks
August 24, 2022, 2:00 PM	Alexander Marynych	University of Kyiv, Ukraine	Least common multiple of random samples

Winter semester 21/22

Date	Speaker	institution	Title
October 20, 2021	Sean O'Rourke	University of Colorado Boulder	Random Perturbations of Non-Normal Matrices
November 17, 2021	Jan Nagel	TU Dortmund	Sum rules via large deviations: polynomial potentials and the multi-cut regime
November 24, 2021	Anna Kraut	University of Michigan	Multi-scale limits in a population model with moderately rare mutations
December 1, 2021	Shuta Nakajima	University of Basel	A variational formula for large deviations in first-passage percolation under tail estimates
December 8, 2021	Nicolas Juillet	University of Haute-Alsace, Mulhouse	Markovinification of the quantile process
December 15, 2021	Julien Poisat	University of Paris-Dauphine	Simple random walk among power-law renewal obstacles
January 12, 2022	Quentin Berger	University of Paris	Directed polymers and the Stochastic Heat Equation with Lévy noise
January 26, 2022	Anita Behme	TU Dresden	Generalized Ornstein-Uhlenbeck processes in a Markov-switching environment
February 23, 2022	Gautam Banhatti		Description of the phase space of magnetic and non-magnetic billiards as a sympletic quotient and generalization to higher dimensions

Past semesters

Here you will find a list of lectures from the advanced seminar from previous semesters. Lectures prior to 2013 can be found in the archive .

Date	Speaker	institution	Title
July 14, 2021	Kilian Raschel	University of Tours	AR(1) sequences with uniform innovations: persistence probabilities and Mallows-Riordan polynomials
July 7, 2021	Thomas Godland	WWU	Positive hulls of random walks and random bridges
July 7, 2021	Sebastian Kassing	WWU	Convergence of cooling down gradient flow SDEs
June 30, 2021	André Schlichting	WWU	Dynamic of mean-field interacting systems: Phase transitions, self-similarity and metastability
June 23, 2021	Rodrigo Bazaes	Santiago, Chile	Localization at the boundary for conditioned random walks in random environments in dimension two and higher
June 16, 2021	Annika Heckel	LMU Munich	How does the chromatic number vary?
June 9, 2021	Jonas Jalowy	WWU	Fluctuations of the magnetization in the Block Potts Model
June 2, 2021	Lukas Szpruch	Edinburgh	Mean-field neural ODEs via relaxed optimal control
May 21, 2021	Massimiliano Gubinelli	University of Bonn	Variational approaches for Euclidean quantum field theory III
May 20, 2021	Massimiliano Gubinelli	University of Bonn	Variational approaches for Euclidean quantum field theory II
May 18, 2021	Massimiliano Gubinelli	University of Bonn	Variational approaches for Euclidean quantum field theory I
May 12, 2021	Marcel Nutz	Columbia University, New York	Entropic optimal transport
May 5, 2021	Holger Sambale	University of Bielefeld	Hugher Order Concentration of Measure via Log-Sobolev Inequalities
April 28, 2021	Barbara Dembin	ETH Zurich	Large deviation principle for the streams and the maximum flow in first passage percolation
April 21, 2021	Konstantin Recke	WWU	Percolation on Nonameable Groups
January 27, 2021	Martin Brückerhoff	WWU	A counterexample to the Cantelli conjecture via the Skorokhod Embedding Problem
January 13, 2021	Thomas Godland	WWU	Conical tessellations associated with Weyl chambers
December 16, 2020	Gerold Alsmeyer	WWU	Host-parasite coevolution: Some thoughts and results about the Kimmel-Bansaye model
December 9, 2020	Sara Terveer	WWU	Central limit theorems for hitting times of random walks on random graphs
December 2, 2020	Francesco Mattesini	WWU	Asymptotics of transportation cost for the occupation measure of fractional Brownian Motion
November 25, 2020	Chiranjib Mukherjee	WWU	The large deviation rate functions and stochastic homogenization on percolation clusters: the influence of disorder
November 18, 2020	Yannic Bröker	WWU	Stochastic heat equation and Gaussian multiplicative chaos in the Vienna space
November 11, 2020	Sebastian Kassing	WWU	Collaborating algorithms - Exploration vs. exploitation
June 17, 2020	Jonas Jalowy	University of Bielefeld	Rate of convergence to the Circular Law and its powers