Similarity Degrees for the Crossed Product of von Neumann Algebras

被引：0
|
作者：
Jin Song WU [1 ]
Wen Ming WU [2 ]
机构：
[1] School of Mathematical Sciences, University of Science and Technology of China
[2] Department of Mathematics, Chongqing Normal University
来源：
Acta Mathematica Sinica,English Series | 2014年 / 30卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Similarity degree; von Neumann algebra; weakly compact action; compact action; crossed product;
D O I：
暂无
中图分类号：
O153 [抽象代数（近世代数）];
学科分类号：
070104 ;
摘要：
In this paper, we will estimate an upper bound for the similarity degree of the crossed product of a hyperfinite finite von Neumann algebra by weakly compact action of an infinite discrete group. We will also improve some upper bounds for similarity degrees of some finite von Neumann algebras.
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页码：723 / 736
页数：14
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