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Wednesday, July 22, 2020
12:00 PM - 1:00 PM
Online Event

Logic Seminar

Actions of automorphism groups of Fraïssé limits on the space of linear orderings
Colin Jahel, Université Paris Diderot,

In 2005, Kechris, Pestov and Todorčević exhibited a correspondence between combinatorial properties of structures and dynamical properties of their automorphism groups. In 2012, Angel, Kechris and Lyons used this correspondence to show the unique ergodicity of all the actions of some groups. In this talk, I will give an overview of the aforementioned results and discuss recent work generalizing results of Angel, Kechris and Lyons.

For more information, please contact Math Department by phone at 626-395-4335 or by email at mathinfo@caltech.edu.