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DTSTART:20250309T070000
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DTSTART:20241103T060000
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DTSTART;TZID=America/Toronto:20250317T143000
SEQUENCE:0
TRANSP:TRANSPARENT
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URL:https://uwaterloo.ca/pure-mathematics/events/pure-math-department-collo
 quium-8
SUMMARY:Pure Math Department Colloquium
CLASS:PUBLIC
DESCRIPTION:ANDY ZUCKER\, UNIVERSITY OF WATERLOO\n\nMinimal dynamics of top
 ological groups: A set-theoretic perspective\n\nThis talk explores the min
 imal actions of topological groups on\ncompact spaces. By a classical resu
 lt of Ellis\, every topological\ngroup admits a largest such action called
  the universal minimal flow.\nHere\, we take a set-theoretic perspective a
 nd ask how the universal\nminimal flow can change when considering differe
 nt models of set\ntheory. In particular\, we will take the opportunity to 
 give a gentle\nintroduction to set-theoretic forcing. Our main result is a
 \ncharacterization of those topological groups for which the universal\nmi
 nimal flow is absolute. Joint work with Gianluca Basso.\n\nMC 5501
DTSTAMP:20260504T222454Z
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