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Group actions: Yair Glasner (BGU) - On Highly transitive permutation representations of groups.  | Einstein Institute of Mathematics

Group actions: Yair Glasner (BGU) - On Highly transitive permutation representations of groups. 

Date: 
Thu, 27/04/201710:30-11:30
Location: 
Ross 70
Abstract: A permutation representation of a group G is called highly transitive if it is transitive on k-tuples of points for every k. Until just a few years ago groups admitting such permutation representations were thought of as rare. I will focus on three rather recent papers: G-Garion, Hall-Osin, Gelander-G-Meiri (in preparation) showing that such groups are in fact very common.