On nonlinear simultaneous approximation problems

被引:1
|
作者
Pakhrou, Tijani [1 ]
机构
[1] Univ Alicante, Dept Math Anal, Fac Sci, E-03080 Alicante, Spain
关键词
Simultaneous approximation; MU;
D O I
10.1007/s13398-011-0039-1
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this paper we prove that if Y is a reflexive subspace of a Banach space X, then L (a)(mu, Y) is simultaneously proximinal in L (a)(mu, X). Furthermore if X is reflexive and mu (0) is the restriction of mu to a sub-sigma-algebra, then L (a)(mu (0), X) is simultaneously proximinal in L (a)(mu, X).
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页码:305 / 313
页数:9
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