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Geometric Topology

Corey Bregman

Subevent of Geometric Topology - Thurs. AM

Eastern Time (US & Canada)

Starts at: 2025-03-06 10:40AM

Ends at: 2025-03-06 11:00AM

A generalization of Cannon's conjecture for cubulated hyperbolic groups

Corey Bregman ⟨corey.bregman@tufts.edu⟩

Abstract:

We show that cubulated hyperbolic groups with spherical boundary of dimension 3 or at least 5 are virtually fundamental groups of closed, orientable, aspherical manifolds, provided that there are sufficiently many quasi-convex, codimension-1 subgroups whose limit sets are locally flat subspheres. The proof is based on ideas used by Markovic in his work on Cannon’s conjecture for cubulated hyperbolic groups with 2-sphere boundary. This is joint work with Merlin Incerti-Medici.

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