Fell丛C* 代数-代数上对偶余作用的可积性
Integrability of dual coactions on Fell bundle C*-algebras
摘要:
研究了局部紧群的余作用的可积性。对于阿贝尔群,这对应于Pontrjagin对偶群的相关作用的可积性。可积群作用的理论以前曾由Ruy Exel、Ralf Meyer和Marc Rieffel研究过。我们的目标是研究可积群余作用与Fell丛之间的密切关系。作为主要结果,我们证明了Fell丛的C* 代数-代数上的对偶余作用是可积的,推广了Ruy Exel关于阿贝尔群的结果.
英文摘要:
We study integrability for coactions of locally compact groups. For abelian groups, this corresponds to integrability of the associated action of the Pontrjagin dual group. The theory of integrable group actions has been previously studied by Ruy Exel, Ralf Meyer and Marc Rieffel. Our goal is to study the close relationship between integrable group coactions and Fell bundles. As a main result, we prove that dual coactions on C*-algebras of Fell bundles are integrable, generalizing results by Ruy Exel for abelian groups.
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