Dana Bartošová: On the structure of the universal minimal flows via (near) ultrafilters

Place: Fields Institute (Room 210)

Date: August 7th, 2015 (13:30-15:00)

Speaker: Dana Bartošová

Title: On the structure of the universal minimal flows via (near) ultrafilters

Abstract:

I will recall how we can see universal minimal flows as spaces of (near) ultrafilters and which results have been obtained by this approach. Then I will focus on problems whose solution I believe to make a good use of this viewpoint, in particular, the unique amenability and unique ergodicity problems, metrizability of universal minimal flows or the Ellis problem.

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