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Obstructions to group stability with respect to the operator norm

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OGGW04 - Stability and probabilistic methods

I will give an introductory talk with the aim of describing primary cohomological obstructions to group stability. I will discuss two complementary approaches: one based on the approximate monodromy correspondence of Connes, Gromov and Moscovici, and the other, on which I will focus more closely, relying on Kasparov’s KK-theory combined with finite dimensional approximation properties of group C*-algebras.

This talk is part of the Isaac Newton Institute Seminar Series series.

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