A CONTINUITY CHARACTERIZATION OF ASPLUND SPACES

被引:0
|
作者
Giles, J. R. [1 ]
机构
[1] Univ Newcastle, Sch Math & Phys Sci, Callaghan, NSW 2308, Australia
关键词
Frechet differentiability; subdifferential mapping; weak upper semi-continuity; gauge; extreme point; polar; Radon-Nikodym property; UPPER SEMI-CONTINUITY; DUALITY MAPPINGS; NORM;
D O I
10.1017/S0004972710001978
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
A Banach space is an Asplund space if every continuous gauge has a point where the subdifferential mapping is Hausdorff weak upper semi-continuous with weakly compact image. This contributes towards the solution of a problem posed by Godefroy, Montesinos and Zizler.
引用
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页码:450 / 455
页数:6
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