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Classification of quasi-free compact group actions on Cuntz algebras
Published 13 Jul 2024 in math.OA, math.KT, and math.RT | (2407.12059v2)
Abstract: Quasi-free actions of finite groups on Cuntz algebras $\mathcal O_n$ for $n\geq 2$ are classified up to conjugacy by data in the representation ring. Partial results are obtained for quasi-free actions by compact groups.
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