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Classifying group actions on Kirchberg algebras

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  • UserJamie Gabe (University of Southern Denmark)
  • ClockFriday 18 July 2025, 09:30-10:10
  • HouseExternal.

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TGAW02 - C*-algebras: classification and dynamical constructions

A few years ago, Szabó and I classified all outer amenable discrete group actions on Kirchberg algebras. The classifying invariant is equivariant KK-theory, so at its core, the result is a rigidity theorem. I will talk about how one can strengthen the classification in certain cases and obtain classification with more computable K-theoretic invariants.

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

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Wolfson Lecture Theatre, Bullard Laboratories ALB building, Clare Hall, Herschel Road Senior Parlour, Gonville & Caius College

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