By Moulay-Tahar Benameur and Indrava Roy

We prove an equivariant localized and norm-controlled version of the Pimsner-Popa-Voiculescu theorem. As an application, we deduce a proof of the Paschke-Higson duality for transformation groupoids.

April 14, 2021

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An equivariant PPV theorem and Paschke-Higson duality

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