Séminaires : Séminaire d'Algèbres d'Opérateurs

Equipe(s) : ao,
Responsables :Pierre Fima, Romain Tessera
Email des responsables :
Salle : 1013
Adresse :Sophie Germain
Description

Orateur(s) Andrei Alpeev - ENS PSL,
Titre Non-C*-simple groups admit non-free actions on the Poisson boundary
Date10/10/2024
Horaire14:00 à 15:00
Diffusion
Résume

The Poisson boundary is a measurable object constructed for a group endowed with a probability measure that captures asymptotic behavior of random walks. I will survey its connection with various properties of the group and, in particular, with C*-simplicity.

Salle1013
AdresseSophie Germain
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