点邻近 \(L^p(\mu, X)\)

Eyad Abu-Sirhan
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引用次数: 0

摘要

设\(X\)为Banach空间,\(G\)为\(X\)的闭子空间,\((\Omega,\Sigma,\mu)\)为\(\sigma\)有限测度空间,\(L(\mu,X)\)为\(\Omega\)至\(X\)的所有强可测函数的空间,\(L^{p}(\mu,X)\)为\(\Omega\)至\(X\)的所有Bochner \(p-\)可积分函数的空间。本文的目的是讨论\(L(\mu, X)\)中\(L(\mu, G)\)与\(L^{p}(\mu, X)\)中\(L^{p}(\mu, G)\)的点近邻关系。
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Pointwise coproximinality in \(L^p(\mu, X)\)
Let \(X\) be a Banach space, \(G\) be a closed subspace of \(X\), \((\Omega,\Sigma,\mu)\) be a \(\sigma\)-finite measure space, \(L(\mu,X)\) be the space of all strongly measurable functions from \(\Omega\) to \(X\), and \(L^{p}(\mu,X)\) be the space of all Bochner \(p-\)integrable functions from \(\Omega\) to \(X\). Discussing the relationship between the pointwise coproximinality of \(L(\mu, G)\) in \(L(\mu, X)\) and the pointwise coproximinality of \(L^{p}(\mu, G)\) in \(L^{p}(\mu, X)\) is the purpose of this paper.
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