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SUMMARY:Colin Jahel (Université Claude Bernard Lyon 1)
DTSTART:20210826T180000Z
DTEND:20210826T190000Z
DTSTAMP:20260423T035938Z
UID:OLS/66
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/OLS/66/">Som
 e progress on the unique ergodicity problem</a>\nby Colin Jahel (Universit
 é Claude Bernard Lyon 1) as part of Online logic seminar\n\n\nAbstract\nI
 n 2005\, Kechris\, Pestov and Todorcevic exhibited a\ncorrespondence betwe
 en combinatorial properties of structures and\ndynamical properties of the
 ir automorphism groups. In 2012\, Angel\,\nKechris and Lyons used this cor
 respondence to show the unique ergodicity\nof all the minimal actions of s
 ome subgroups of $S_\\infty$. In this\ntalk\, I will give an overview of t
 he aforementioned results and discuss\nrecent work generalizing results of
  Angel\, Kechris and Lyons in several\ndirections.\n
LOCATION:https://researchseminars.org/talk/OLS/66/
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