Time: | 3:30pm - 4:30 pm |
Room: |
Wean Hall 8220
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Speaker: |
Andy Zucker Department of Mathematical Sciences CMU |
Title: |
A direct solution to the Generic Point Problem
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Abstract: |
We provide a new proof of a recent theorem of Ben-Yaacov, Melleray, and Tsankov. If G is a Polish group and X is a minimal, metrizable G-flow with all orbits meager, then the universal minimal flow M(G) is non-metrizable. In particular, we show that given X as above, the universal highly proximal extension of X is non-metrizable. |