Quasi-invariant lifts of completely positive maps for groupoid actions

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• Marzieh Forough (Czech Technical University)
• Friday 04 July 2025, 10:10-10:30
• External.

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TGAW01 - Crossed products and groupoid C*-algebras

In this talk, I first explain the existence of quasi-invariant lifts for completely positive G-equivariant maps where G is a locally compact, Hausdorff, second countable groupoid. Then I describe how this problem leads to investigating the connection between extensions of G-C*-algebras and groupoid equivariant KK-theory. This is joint work with Suvrajit Bhattacharjee.

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

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