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Groups acting on trees: representation theory and operator algebras

Presented by: 
Sven Raum EPFL - Ecole Polytechnique Fédérale de Lausanne
Date: 
Tuesday 20th June 2017 - 13:30 to 14:30
Venue: 
INI Seminar Room 2
Abstract: 
This talk summarises different aspects of my work on totally disconnected groups, their representation theory and their operator algebras.  Our guiding examples are non-discrete groups acting on trees.  I will address simplicity, amenability and classification of operator algebras associated with groups acting on trees as well as representation theoretic aspects such as the admissibility conjecture.


University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons