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Operator Algebra Seminars

Fri., Sep. 21, 2018 1:30 p.m. - Fri., Sep. 21, 2018 3:00 p.m.

Location: Classroom Building (CL) 416

Speaker: Daniel Drimbe, University of Regina

Title: Introduction to properly proximal groups

Abstract:

In this talk we introduce the concept of properly proximal groups, following a recent work of Boutonnet, Ioana and Peterson. This is a wide class of countable groups which contains in particular non-elementary hyperbolic groups and lattices in non-compact semi-simple Lie groups. As an application, we provide rigidity results for compact actions of $SL_d(\mathbb R)$, for $d\ge 3.$