Asymptotic Expansion in Measure (Part II)

Jiawen Zhang 章嘉雯   (University of Southampton)

10:00-11:00, July 14, 2020   Zoom 514 693 6752

Abstract:

Last time I introduced the notion of asymptotic expansion in measure and explained its relation with several classical notions. In this talk, I will further introduce more characterisations for asymptotic expansion in terms of projections in (dynamical) Roe algebras. Moreover, I will show that this leads to counterexamples to the coarse Baum-Connes conjecture using warped cones. This is a jointly work with Kang Li and Federico Vigolo.

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