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检索条件"主题词=positive cones"
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Maps on positive cones of C^(*)-algebras
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Acta Mathematica Sinica,English Series 2023年 第3期39卷 387-398页
作者: Ming Chu GAO Gui Mei AN Department of Mathematics Louisiana Christian UniversityPinevilleLA 71359USA School of Mathematical Sciences and LPMC Nankai UniversityTianjin 300071P.R.China
We prove that a surjective map(on the positive cones of unital C^(*)-algebras)preserves the minimum spectrum values of harmonic means if and only if it has a Jordan *-isomorphism extension to the whole *** represent w... 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
MAPS PRESERVING THE NORM OF THE positive SUM IN L_(p) SPACES
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Acta Mathematica Scientia 2022年 第2期42卷 789-794页
作者: Jingjing HAO Yunbai DONG Lei LI School of Mathematical Sciences Nankai UniversityTianjin 300071China Hubei Key Laboratory of Applied Mathematics Faculty of Mathematics and StatisticsHubei UniversityWuhan 430062China School of Mathematical Sciences and LPMC Nankai UniversityTianjin 300071China
For 1positive elements in L_(p) with norm *** that V_(0):S(L_(p)(Ω_(1)))+→S(L_(p)(Ω_(2)))+is a surjective norm-additive map;that is,‖V_(0)(x)+V_(0)(y)‖=‖x+y‖,■x,y∈S(L_(p)(Ω_(1))... 详细信息
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