Topology & Geometric Group Theory Seminar

Spring 2009

1:30 – 2:30, Malott 207

Tuesday, April 7

Martin Kassabov, Cornell University

Subspace arrangements and property T

I will mainly talk about (my viewpoint at) a method for proving property T used by Dymara and Januszkiewicz, which has a strong geometric flavor. I will finish with a proof of a conjecture of mine which was mentioned in M. Ershov's talk in December.

(Most of this talk is not my work, some part is a joint work with M. Ershov and A. Jaikin, and there is tiny bit which is solely mine.)

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