Actions of discrete groups on operator algebras and their invariants
Actions of discrete groups on operator algebras and their invariants
离散群对算子代数及其不变量的作用
批准号：
21740119
负责人：
OKAYASU Rui
金额：
$2.66万
依托单位：
依托单位国家：
日本
项目类别：
Grant-in-Aid for Young Scientists (B)
财政年份：
2009
资助国家：
日本
项目状态：
已结题
起止时间：
2009 至 2012
中文摘要
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英文摘要
I study some entropy on operator algebras.(1) By using the method of Voiculescu, I define new entropy for an autromorphism on a TAF algebra, which is defined by Lin, and study their properties and examples.(2) I study the relative entropy for a pair of an operator algebra and a subalgebra, which is defined by Pimsner and Popa. I also study the relative entropy for a pair of two subalgebras, which is defined by M. Choda.
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