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Jason Behrstock: Temple geometry seminar (5 pm,Tuesday, Jan 22)

Jason Behrstock of CUNY will be speaking in the Temple Geometry and Topology Seminar. Title: Divergence, thick groups, and morse geodesics Abstract: In a metric space the divergence of a pair of rays is a way to measure how quickly … Continue reading

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PATCH seminar at UPenn

Speakers will be John Pardon and Larry Guth. Abstracts: John Pardon (3:30): Totally disconnected groups (not) acting on three-manifolds. HilbertĀ“s Fifth Problem asks whether every topological group which is a manifold is in fact a (smooth!) Lie group; this was … Continue reading

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Joseph Maher’s talk at the Geometry/Topology seminar (4 pm Tuesday, November 20)

Joseph Maher will be speaking in the Temple Geometry and Topology Seminar. Title: Statistics for Teichmuller geodesics. Abstract: We describe two ways of picking a geodesic “at random” in a space, one coming from the standard Lebesgue measure on the … Continue reading

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