论文标题

在矢量值小Lipschitz函数的Banach空间的第二个双空间

On the second dual space of Banach space of vector-valued little Lipschitz functions

论文作者

Izumi, Shinnosuke

论文摘要

令\(x \)为紧凑的公制空间,\(e \)为Banach空间。 \(\ lip(x,e)\)表示所有\(e \)的banach空间 - 有价值的小lipschitz函数\(x \)。我们表明\(\ lip(x,e)^{**} \)在\(e^{**} \)的Banach空间上是同构的 - 在几个条件下,\(e^{**} \) - 估价Lipschitz函数\(\ lipschitz函数(x,e^{{{{{{{此外,我们从\(\ lip(x,e)^{**} \)到\(\ lip(x,e^{**})\)的等轴测异态。

Let \(X\) be a compact metric space and \(E\) be a Banach space. \(\lip (X, E)\) denotes the Banach space of all \(E\)-valued little Lipschitz functions on \(X\). We show that \(\lip (X, E)^{**}\) is isometrically isomorphic to Banach space of \(E^{**}\)-valued Lipschitz functions \(\Lip(X, E^{**})\) under several conditions. Moreover, we describe the isometric isomorphism from \(\lip (X, E)^{**}\) to \(\Lip (X, E^{**})\).

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