New convexity and fixed point properties in Hardy and Lebesgue-Bochner spaces (Q1328331)
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scientific article; zbMATH DE number 599816
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | New convexity and fixed point properties in Hardy and Lebesgue-Bochner spaces |
scientific article; zbMATH DE number 599816 |
Statements
New convexity and fixed point properties in Hardy and Lebesgue-Bochner spaces (English)
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22 August 1994
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It is shown that for the Hardy class of functions \(H^ 1\) with domain the ball or polydisc in \(\mathbb{C}^ N\), a certain type of uniform convexity property (the uniform Kadec-Klee-Huff property) holds with respect to the topology of pointwise convergence on the interior, which coincides with both the topology of uniform convergence on compacta and the \(\text{weak}^*\) topology on bounded subsets of \(H^ 1\). Also, it is shown that if a Banach space \(X\) has a uniform Kadec-Klee-Huff property, then the Lebesgue-Bochner space \(L_ p(\mu,X)\), \(1\leq p< \infty\), must have a related uniform Kadec-Klee-Huff property. Consequently, by known results, the above spaces have normal structure properties and fixed point properties for non-expansive mappings.
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Hardy class
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uniform convexity property
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topology of pointwise convergence on the interior
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uniform Kadec-Klee-Huff property
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Lebesgue- Bochner space
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fixed point properties for non-expansive mappings
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