Non-C*-simple groups admit non-free actions on the Poisson boundary
Date
10/10/2024
Horaire
14:00 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.