Events by date

Thursday, November 26, 2020

Thursday, November 26, 2020 — 1:00 PM EST

Lei Alice Chen, California Institute of Technology

"Actions of Homeo and Diffeo groups on manifolds"

In this talk, I discuss the general question of how to obstruct and construct group actions on manifolds. I will focus on large groups like Homeo(M) and Diff(M) about how they can act on another manifold N. The main result is an orbit classification theorem, which fully classifies possible orbits. I will also talk about some low dimensional applications and open questions. This is a joint work with Kathryn Mann.

Thursday, November 26, 2020 — 4:00 PM EST

Caleb Suan, Department of Pure Mathematics, University of Waterloo

"Intro to Knots and Knot Invariants"

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