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Central and invariant measures and applications
August 18, 2020 16:50–17:20, St. Petersburg, online
 


Actions of automorphism groups of Fraïssé limits on the space of linear orderings

C. Jahel
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MP4 163.6 Mb

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C. Jahel


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Abstract: In 2005, Kechris, Pestov and Todorcevic 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 by classifying invariant measures for some actions of groups.

Language: English

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