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ε-WEAKLY CHEBYSHEV SUBSPACES OF BANACH SPACES 被引量:1

ε-WEAKLY CHEBYSHEV SUBSPACES OF BANACH SPACES
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摘要 We will define and characterize ε-weakly Chebyshev subspaces of Banach spaces. We will prove that all closed subspaces of a Banach space X are ε-weakly Chebyshev if and only if X is reflexive. We will define and characterize ε-weakly Chebyshev subspaces of Banach spaces. We will prove that all closed subspaces of a Banach space X are ε-weakly Chebyshev if and only if X is reflexive.
作者 Sh.Rezapour
出处 《Analysis in Theory and Applications》 2003年第2期130-135,共6页 分析理论与应用(英文刊)
关键词 ε-quasi Chebyshev subspace ε-weakly Chebyshev subspace ε-quasi Chebyshev subspace, ε-weakly Chebyshev subspace
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