Seminar Calendar
for events the day of Friday, April 20, 2012.

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Friday, April 20, 2012

Logic Seminar
4:00 pm   in 347 Altgeld Hall,  Friday, April 20, 2012
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Submitted by ssolecki.
Dana Bartosova (University of Toronto)
Universal minimal flows in the language of filters
Abstract: I will introduce a construction by Balcar and Franek of the Boolean algebra of clopen sets of the universal minimal dynamical system for discrete groups. I will show how that generalizes to topological groups. I will talk about a couple of applications of this approach, e.g. to groups of automorphisms of uncountable structures using methods of Kechris, Pestov and Todorcevic connecting structural Ramsey theory and topological dynamics.