23.04.2021, 11:00  –  Online Seminar
Arbeitsgruppenseminar Analysis

Locality and renormalisation in perturbative AQFT

Kasia Rejzner (University of York)

In this talk, I will give a review of how locality enters the Epstein-Glaser renormalisation scheme and report on some more recent results regarding locality and its breaking in pAQFT.

Forthcoming... 

26.04.2021, 14:00 - 15:00
Forschungsseminar Wahrscheinlichkeitstheorie

Random connected subgraph on Zd: A phase transition result

David Dereudre (Lille, Frankreich)

We consider the bond percolation model on the lattice Zd (d≥2) with the constraint to be fully connected. Each edge is open with probability p∈(0,1), closed with probability 1−p and then the process... 

29.04.2021, 16:15  –  Online-Seminar
Forschungsseminar Differentialgeometrie

Weyl laws for regular realizations of elliptic operators

Magnus Goffeng (Lund University)

Using a Bär-Ballmann type machinery, one can describe all realizations of elliptic operators on manifolds with boundary. Classically, boundary value problems are phrased in terms of imposing a... 

07.05.2021, 10:15 am  –  online
SFB-Kolloquium

Likelihood-based estimation, model selection, and forecasting of integer-valued trawl processes

Almut Veraat (Imperial College London)

The class of integer-valued trawl processes has recently been introduced for modelling univariate and multivariate integer-valued time series with short or long memory.

In this talk, I will discuss... 

20.05.2021, 16:15  –  Online-Seminar
Forschungsseminar Differentialgeometrie

Scalar and mean curvature comparison via the Dirac operator

Rudolf Zeidler (Universität Münster)

In recent years, Gromov proposed studying the geometry of positive scalar curvature (psc) via various metric inequalities vaguely reminiscent of classical comparison geometry. For instance, let...