The isometrical extensions of 1-Lipschitz mappings on Gteaux differentiability spaces

被引:2
|
作者
DING GuangGui School of Mathematical Sciences and LPMC
机构
基金
中国国家自然科学基金;
关键词
1-Lipschitz mapping; linearly isometric extension; Ga teaux differentiability space; smooth point;
D O I
暂无
中图分类号
O177.2 [巴拿赫空间及其线性算子理论];
学科分类号
070104 ;
摘要
Let X and Y be real Banach spaces.Suppose that the subset sm[S1(X)] of the smooth points of the unit sphere [S1(X)] is dense in S1(X).If T0 is a surjective 1-Lipschitz mapping between two unit spheres,then,under some condition,T0 can be extended to a linear isometry on the whole space.
引用
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页码:711 / 722
页数:12
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