Oberseminar Stochastik

Das Oberseminar Stochastik findet üblicherweise Mittwochs 16:00 - 17:00 Uhr statt. Vorträge in Präsenz finden im Raum SRZ 216 statt, digitale Vorträge via Zoom (Passwort auf Anfrage).

Konferenzen und andere Veranstaltungen finden Sie hier.

Programm:

• Wintersemester 2024/2025

  Date	Speaker	Institute	Title
  23.10.2024 (Cancelled!)	Alexander Tarasov	Bielefeld University	Random walks conditioned to stay positive (The talk has been cancelled).
  30.10.2014	Quentin Berger	Univ. Paris	FK-percolation and Recursions on Galton-Watson Trees
  06.11.2014	Balint Toth	Univ. Bristol and Alfred Rényi Institute	DIFFUSIVE AND SUPER-DIFFUSIVE SCALING LIMITS FOR RANDOM WALKS AND DIFFUSIONS WITH LONG MEMORY
  13.11.2024	Matteo D'Achille	Laboratoire de Mathématiques d’Orsay	Ideal Poisson-Voronoi tessellations on and beyond hyperbolic spaces
  13.11.2024	Alexis Prevost	Univ. Geneva	Volume critical exponents for the metric graph Gaussian free field
  19.-22.11.2024	PEPPER School	Autumn School	homepage
  27.11.2024	Elias Zimmermann	Univ. Leipzig	Strictly irreducible Markov chains and random ergodic theorems for semigroup actions
  4.12.2024	Mathias Beiglböck	Univ. Wien	The Fundamental Theorem of Weak Optimal Transport
  8.1.2025	Zsuzsanna Baran	Univ. Cambridge	tba
  15.01.2025	Maxime Ligonnière	Univ. Tours	tba
  22.01.2025	Lorenzo Portinale	Univ. Bonn	tba
  29.01.2025	Holger Sambale	Univ. Bielefeld	tba

• Sommersemester 2024

  Date	Speaker	Institute	Title
  10.04.2024 16:00, SRZ 204	Sarah-Jean Meyer	Univ. Oxford	The FBSDE approach to sine-Gordon up to 6\pi
  17.04.2024 16:30, SRZ 203	Chinmoy Bhattacharjee	Univ. Hamburg	Spectra of Poisson functionals and applications in continuum percolation
  24.04.2024 16:00	Romain Panis	Univ. Geneva	The long-range Phi^4 model on Z^d
  08.05.2024, SRZ 203	Dominik Schmid	Univ. Bonn	Approximating the stationary distribution of the open ASEP
  15.05.2024	Trishen Gunaratnam	Univ. Geneva	2d Sinh-Gordon model on the infinite cylinder
  12.06.2024	Frank Aurzada	TU Darmstadt	Brownian motion conditioned to spend limited time outside an interval
  19.06.2024	Victor Rivero	CIMAT Guanajuato, Mexico	Renewal theory and exponential ergodicity
  03.07.2024	Maximilian Engel	Univ. Amsterdam	Dynamical Properties of Stochastic Differential Equations with Shear
  10.07.2024	Felix Benning	Univ. Mannheim	t.b.a.

   

• Wintersemester 2023/2024

  Date	Speaker	Institute	Title
  18.10.2023	Simon Gabriel	Univ. Münster	Of polymers, trees and critical SPDEs
  15.11.2023	Moritz Otto	Aarhus University	Compound Poisson process approximation and minimal angles in Delaunay triangles
  22.11.2023	Lorenzo Dello Schiavo	IST Austria	Wasserstein geometry and Ricci curvature bounds for Poisson spaces
  29.11.2023 16:00 in SRZ 5	Andrew Campbell	IST Austria	Repeated differentiation and random matrix compression
  10.01.2023	Franco Severo	ETH Zürich	Existence of phase transition for percolation using the GFF
  17.01.2024 16:00 in SRZ 5	Justin Salez	Univ.  Paris-Dauphine	Do there exist expanders with non-negative curvature?
  24.01.2024	Rodrigo Bazaes	Univ. 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

• Sommersemester 2023

  Date	Speaker	Institution	Title
  19.04.2023	Stanislav Volkov	Lund Univ.	Conservative random walk and related topics
  03.05.2023	Marco Rehmeier	Bielefeld University	On nonlinear Markov processes in the sense of Mc-Kean
  10.05.2023	Alessandra Faggionato	Univ. Rome	Symmetric simple exclusion processes on random graphs in R^d with random conductances: construction, hydrodynamics and equilibrium fluctuations
  17.05.2023	Roland Roeder	IUPUI Indianapolis	Limiting measure of the Lee-Yang zeros for the Diamond Hierarchical Lattice
  24.05.2023	Amin Coja-Oghlan	TU Dortmund	Random combinatorial matrices
  21.06.2023 (exceptionally 14:00 in M6)	Anton Klimovsky     Thomas van Belle	Univ. Würzburg      Univ. Duisburg	Meeting and consensus time on connected Erdös-Rényi random graphs: A spectral approach
  28.06.2023	Bruno Schapira	Univ. Marseille	Intersection equivalence between the ranges of random walks and branching random walks
  05.07.2023	Julien Poisat	Univ. Paris	The simple random walk conditioned to visit few sites in dimension three and higher
  19.07.2023 SRZ 117	Gilles Bonnet	Univ. Groningen	Maximal degree in random graphs
  26.07.2023	Philipp  Tuchel	Univ. Bochum	Large Deviation Principles for High-Dimensional Random Projection Volumes

   

• Wintersemester 2022/2023

  Date	Speaker	Institution	Title
  09.11.2022	Mathias Sonnleitner	Univ. Passau	Random approximation of convex bodies in the Hausdorff distance
  16.11.2022	Tejas Iyer	WIAS Berlin	The influence of competition on geneological trees associated with explosive age-dependent branching processes
  23.11.2022	Dmytro Zavadskyi	WWU Münster	Infinite-dimensional generalizations of second order differential operators (semigroup approach)
  21.12.2022	Stefan Adams	Univ. Warwick	Scaling limits and decay of correlations for non-convex interaction
  11.01.2023	Max Fathi	Univ. Paris	Globally Lipschitz transport maps
  18.01.2023  16:00 Uhr	Maximilian Nitzschner	New York University	Bulk deviation lower bounds for the simple random walk
  18.01.2023	Sebastian Andres	Univ. Manchester	Hölder regularity and local limit theorem for random conductance models with long-range jumps
  25.01.2023	Peter Morfe	MPI Leipzig	Hamilton-Jacobi scaling limit of Pareto hull peeling
  01.02.2023	Erika Roldan	MPI Leipzig	Topology and Geometry of random Cubical Complexes
  08.02.2023	Ellen Powell	Univ. Durham, UK	Brownian excursions, conformal loop ensembles and critical Liouville quantum gravity
  22.02.2023	Pavlos Tsatsoulis	Univ. Bielefeld	Lyapunov exponents and synchronisation by noise for systems of SPDEs

   

   

• Sommersemester 2022

  27.04.2022	Matthew Dickson	LMU München	The Triangle Condition for the Marked Random Connection Model
  04.05.2022	Arne Grauer	Univ. Köln	Chemical distance in geometric random graphs with long edges and scale-free degree distribution
  11.05.2022	Vladislav Vysotskiy	University of Sussex	Persistence of the AR-1 sequences with Rademacher innovations
  18.05.2022  16:00 Uhr	Stefan Junk	Tohoku University, Japan	Fluctuations for partition functin of directed polymers beyond the L^2 phase
  01.06.2022 [online]	Brian Hall	University of Notre Dame, USA	Heat flow and random matrix theory
  13.07.2022	Anna Muranova	Univ. Olsztyn, Poland	Recurrence and transience of generalized networks
  24.08.2022 14:00 Uhr	Alexander Marynych	Univ. Kyiv, Ukraine	Least common multiple of random samples

   

   

• Wintersemester 21/22

   

  Date	Speaker	Institution	Title
  20.10.2021	Sean O'Rourke	University of Colorado Boulder	Random Perturbations of Non-Normal Matrices
  17.11.2021	Jan Nagel	TU Dortmund	Sum rules via large deviations: polynomial potentials and the multi-cut regime
  24.11.2021	Anna Kraut	Univ. Michigan	Multi-scale limits in a population model with moderately rare mutations
  01.12.2021	Shuta Nakajima	Universität Basel	A variational formula for large deviations in first-passage percolation under tail estimates
  08.12.2021	Nicolas Juillet	Université de Haute-Alsace, Mulhouse	Markovinification of the quantile process
  15.12.2021	Julien Poisat	Univ. Paris-Dauphine	Simple random walk among power-law renewal obstacles
  12.01.2022	Quentin Berger	Univ. Paris	Directed polymers and the Stochastic Heat Equation with Lévy noise
  26.01.2022	Anita Behme	TU Dresden	Generalized Ornstein-Uhlenbeck processes in a Markov-switching environment
  23.02.2022	Gautam Banhatti		Beschreibung des Phasenraumes von magnetischem und nicht-magnetischem Billiards als sympletischen Quotienten und Verallgemeinerung auf höhere Dimensionen

   

   

• Vergangene Semester

  Hier finden Sie eine Liste mit den Vorträgen des Oberseminars der vergangenen Semester. Vorträge vor 2013 finden sich im Archiv.

   

   

  Date	Speaker	Institution	Title
  14.07.2021	Kilian Raschel	Univ. Tours	AR(1) sequences with uniform innovations: persistence probabilities and Mallows-Riordan polynomials
  07.07.2021	Thomas Godland	WWU	Positive hulls of random walks and random bridges
  07.07.2021	Sebastian Kassing	WWU	Convergence of cooling down gradient flow SDEs
  30.06.2021	André Schlichting	WWU	Dynamic of mean-field interacting systems: Phase transitions, self-similarity and metastability
  23.06.2021	Rodrigo Bazaes	Santiago de Chile	Localization at the boundary for conditioned random walks in random environment in dimension two and higher
  16.06.2021	Annika Heckel	LMU München	How does the chromatic number vary?
  09.06.2021	Jonas Jalowy	WWU	Fluctuations of the magnetization in the Block Potts Model
  02.06.2021	Lukas Szpruch	Edinburgh	Mean-Field Neural ODEs via Relaxed Optimal Control
  21.05.2021	Massimiliano Gubinelli	Univ. Bonn	Variational approaches for Euclidean quantum field theory III
  20.05.2021	Massimiliano Gubinelli	Univ. Bonn	Variational approaches for Euclidean quantum field theory II
  18.05.2021	Massimiliano Gubinelli	Univ. Bonn	Variational approaches for Euclidean quantum field theory I
  12.05.2021	Marcel Nutz	Columbia Univ. New York	Entropic optimal transport
  05.05.2021	Holger Sambale	Univ. Bielefeld	Hugher Order Concentration of Measure via Log-Sobolev Inequalities
  28.04.2021	Barbara Dembin	ETH Zürich	Large deviation principle for the streams and the maximal flow in first passage percolation
  21.04.2021	Konstantin Recke	WWU	Percolation on Nonamenable Groups
  27.01.2021	Martin Brückerhoff	WWU	A counterexample to the Cantelli conjecture via the Skorokhod Embedding Problem
  13.01.2021	Thomas Godland	WWU	Conical tessellations associated with Weyl chambers
  16.12.2020	Gerold Alsmeyer	WWU	Host-parasite coevolution: Some thoughts and results about the Kimmel-Bansaye model
  09.12.2020	Sara Terveer	WWU	Central limit theorems for hitting times of random walks on random graphs
  02.12.2020	Francesco Mattesini	WWU	Asymptotics of transportation cost for the occupation measure of fractional Brownian Motion
  25.11.2020	Chiranjib Mukherjee	WWU	The large deviation rate functions and stochastic homogenization on percolation clusters: the impact of disorder
  18.11.2020	Yannic Bröker	WWU	Stochastic heat equation and Gaussian multiplicative chaos in the Wiener space
  11.11.2020	Sebastian Kassing	WWU	Collaborating algorithms - Exploration vs. exploitation
  17.06.2020	Jonas Jalowy	Univ. Bielefeld	Rate of convergence to the Circular Law and its powers