A note on ultraproducts of crossed product C*algebras

Published 17 May 2025 in math.OA | (2505.11871v1)

Abstract: We study the relationship between the ultraproduct of a crossed product C*algebra $(A\rtimes_{r}G)^{\omega}$ and the crossed product of an ultraproduct C*algebra $A^{{\omega}\rtimes} _{r}G$ for a fixed free ultrafilter $\omega$ on $\mathbb{N}$.

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Authors (1)

Zhengyu Fu

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