Box spaces, expanders, and rigidity
Location: MSRI: Simons Auditorium
fixed point properties
hyperbolic groups and generalizations
We will present a new construction of a box space of a free group which does not contain coarsely embedded expanders, but does not embed coarsely into Hilbert space. We will also describe a new rigidity result for box spaces of finitely presented groups, and give some applications. This is joint work with Thiebout Delabie
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