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检索条件"主题词=quasidiagonal extension"
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quasidiagonal extension of AT-algebras
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Northeastern Mathematical Journal 2005年 第3期21卷 365-370页
作者: 王春鹏 刘欣 Institute of Mathematics Jilin UniversityChangchun130012 School of Mathematics and Statistics Northeast Normal UniversityChangchun130024 School of Public Health Jilin UniversityChangchun130012
Let A and B be C^*-algebras. An extension of B by A is a short exact sequence O→A→E→B→O. (*) Suppose that A is an AT-algebra with real rank zero and B is any AT-algebra. We prove that E is an AT-algebra if an... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Approximately isometric lifting in quasidiagonal extensions
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Science China Mathematics 2009年 第3期52卷 457-467页
作者: FANG XiaoChun ZHAO YiLe Department of Mathematics Tongji UniversityShanghai 200092China
Let 0 → I → A → A/I → 0 be a short exact sequence of C*-algebras with A unital. Suppose that the extension 0 → I → A → A/I → 0 is quasidiagonal, then it is shown that any positive element (projection, partial ... 详细信息
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The tracial topological rank of certain C*-algebras
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Science China Mathematics 2011年 第11期54卷 2295-2307页
作者: FANG XiaoChun ZHAO YiLe Department of Mathematics Tongji University Shanghai 200092 China
Let 0 →I → A →A/I →0 be a short exact sequence of C^*-algebras with A unital. Suppose that I has tracial topological rank no more than one and A/I belongs to a class of certain C^*-algebras. We show that A has t... 详细信息
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