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由共轭映象刻划共轭空间的特征
引用本文:王嘉平. 由共轭映象刻划共轭空间的特征[J]. 上海师范大学学报(自然科学版), 1989, 0(1)
作者姓名:王嘉平
作者单位:华东师范大学数学系
摘    要:本文利用共轭映象给出了Banach空间线性等距(或线性同胚)于某个共轭空间的一些特征。

关 键 词:共轭映象  光滑  非常光滑  半内积  线性等距  线性同胚

Duality Mappings and Characterizations of Conjugate Banach Spaces
WANG JIAPING. Duality Mappings and Characterizations of Conjugate Banach Spaces[J]. Journal of Shanghai Normal University(Natural Sciences), 1989, 0(1)
Authors:WANG JIAPING
Affiliation:Department of Mathematics
Abstract:Some characterizations of conjugate Banaoh spaces are given with the concept of duality mapping and semi-inner product. A sufficient condition for a Banach space to be isometric to a conjugate space is obtained by using the concept of very smooth point. An analogous characterization of quasi-reflexive spaces is also yielded.
Keywords:duality mapping smooth very smooth semi-inner product linear isometry linear isomorph
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