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DTSTART;TZID=America/Toronto:20230124T143000
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DTEND;TZID=America/Toronto:20230124T153000
SUMMARY:Kaleidoscopic groups and the generic point property
CLASS:PUBLIC
DESCRIPTION:Summary \n\nGIANLUCA BASSO\, UNIVERSITÉ LYON 1\n\nDuchesne\, M
 onod and Wesolek described how to associate to each\npermutation group of 
 countable degree a group acting on a certain\none-dimensional tree-like c
 ontinuum. This is called its kaleidoscopic\ngroup. We reframe the construc
 tion in terms of countable structures\nand determine which dynamical prop
 erties are preserved when passing to\nthe kaleidoscopic group. This requi
 res a novel structural Ramsey\ntheorem and produces a new class of example
 s exhibiting a poorly\nunderstood phenomenon\, namely non-metrizable univ
 ersal minimal flows\nwith a comeager orbit. \n\nThis is joint work with T
 odor Tsankov.\n\nMC 5479\n 
DTSTAMP:20230531T211942Z
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