| 实Banach空间之闭有限余维子空间是伪半Chebyshev的特征 |
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| 引用本文： | 罗先发.实Banach空间之闭有限余维子空间是伪半Chebyshev的特征[J].吉首大学学报(自然科学版),1998,19(1):51-55. |
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| 作者姓名： | 罗先发 |
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| 作者单位： | 吉首大学数学与计算机科学系!吉首，416000 |
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| 摘 要： | 得到实Banach空间X的闭有限余维子空间是伪半Chebyshev的特征，由此得到X*的弱*闭有限余维子空间是伪Chebyshev的特征，把这些结果用到数列空间，得到更简明的结果。
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| 关 键 词： | 实Banach空间 余维子空间 伪半Chebyshev子空间 伪Chebyshev子空间 线性无关 |
Characteristics of the Closed Subspace of Finite Codimension of a Real Banach Space to Be Pseudo─Semi─Chebyshe |
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| Luo Xianfa.Characteristics of the Closed Subspace of Finite Codimension of a Real Banach Space to Be Pseudo─Semi─Chebyshe[J].Journal of Jishou University(Natural Science Edition),1998,19(1):51-55. |
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| Authors: | Luo Xianfa |
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| Abstract: | In this paper, we obtain the characteristics for the closed subspace of finite codimension of any real normed space to be pseudo -semi -Chebyshev and the characteristics for the weakly. closed subspace of finite codimension to be pseudo - chebyshev. We also obtain more simple results in sequence space by using the former results. |
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| Keywords: | real Banach space subspace of codimension pseudo-semi-chebyshev subspce pseudo-Chebyshev subspace linearly independence |
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