Classification of quasi-free compact group actions on Cuntz algebras

Gabe, James

doi:10.1090/proc/17137

Classification of quasi-free compact group actions on Cuntz algebras
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by James Gabe;

Proc. Amer. Math. Soc. 153 (2025), 1205-1207

DOI: https://doi.org/10.1090/proc/17137

Published electronically: January 30, 2025

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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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