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检索条件"主题词=unit spheres"
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ON THE FIGIEL TYPE PROBLEM AND EXTENSION OFε-ISOMETRY BETWEEN unit spheres
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Acta Mathematica Scientia 2023年 第4期43卷 1503-1517页
作者: 刘锐 尹际富 School of Mathematical Sciences and LPMC Nankai UniversityTianjin 300071China
This paper studies two isometric problems between unit spheres of Banach *** the first part,we introduce and study the Figiel type problem of isometric embeddings between unit ***,the classical Figiel theorem on the 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
Isometries on the Quasi-Banach Spaces L^p (0 < p <1)
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Acta Mathematica Sinica,English Series 2010年 第8期26卷 1519-1524页
作者: Lei LI Wei Yun REN School of Mathematical Sciences and LPMC Nankai University Tianjin 300071 P. R. China Department of Mathematics School of Sciences Tianjin University Tianjin 300072 P. R. China
We study the extension of isometries between the unit spheres of quasi-Banach spaces Lp for 0〈p〈1. We give some sufficient conditions such that an isometric mapping from the the unit sphere of Lp(μ) into that of ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Isometries on the Quasi-Banach Spaces Lp (0 < p <1)
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Acta Mathematica Sinica,English Series 2010年 第8期 1519-1524页
作者: Lei LI School of Mathematical Sciences and LPMC, Nankai University, Tianjin 300071, P. R. China Wei Yun REN Department of Mathematics, School of Sciences, Tianjin University, Tianjin 300072, P. R. China
We study the extension of isometries between the unit spheres of quasi-Banach spaces Lpfor 0 < p < 1. We give some sufficient conditions such that an isometric mapping from the the unitsphere of Lp(μ) into that of ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论