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Kathryn Mann, Zoom: Hyperbolic groups acting on their boundaries
Monday, October 18, 2021, 02:00pm - 03:00pm
A hyperbolic group acts on its Gromov boundary by homeomorphisms. In recent joint work with Jason Manning, we show these actions are topologically stable whenever the boundary is a sphere: any small perturbation of the action is semi-conjugate to the original action. This is also true for free groups, with cantor set boundary, and in ongoing work we are investigating the general case. In my talk, I will explain some of the strategy of the proof and motivation for the problem. https://utexas.zoom.us/j/99824268289
Location: Zoom

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