Constructions of Expanders Using Group Theory
Martin Kassabov
Cornell University; von Neumann Fellow, School of Mathematics
November 3, 2009 10:30am
I will survey some constructions of expander graphs using variants of Kazhdan property T . First, I describe an approach to property T using bounded generation and then I will describe a recent method based on the geometric properties of configurations of subspaces in a finite dimensional Euclidean space.
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