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Asymptotic behavior of almost-orbits of reversible semigroups of non-Lipschitzian mappings in Banach spaces - MaRDI portal

Asymptotic behavior of almost-orbits of reversible semigroups of non-Lipschitzian mappings in Banach spaces (Q1363187)

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scientific article; zbMATH DE number 1049436
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English
Asymptotic behavior of almost-orbits of reversible semigroups of non-Lipschitzian mappings in Banach spaces
scientific article; zbMATH DE number 1049436

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    Asymptotic behavior of almost-orbits of reversible semigroups of non-Lipschitzian mappings in Banach spaces (English)
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    20 July 1998
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    Summary: Let \(C\) be a nonempty closed convex subset of a uniformly convex Banach space \(E\) with a Fréchet differentiable norm, \(G\) a right reversible semitopological semigroup, and \({\mathcal S}= \{S(t): t\in G\}\) a continuous representation of \(G\) as mappings of asymptotically nonexpansive type of \(C\) into itself. The weak convergence of an almost-orbit \(\{u(t): t\in G\}\) of \({\mathcal S}\) on \(C\) is established. Furthermore, it is shown that if \(P\) is the metric projection of \(E\) onto the set \(F({\mathcal S})\) of all common fixed points of \({\mathcal S}\), then the strong limit of the net \(\{Pu(t): t\in G\}\) exists.
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    uniformly convex Banach space
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    Fréchet differentiable norm
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    right reversible semitopological semigroup
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    continuous representation
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    mappings of asymptotically nonexpansive type
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    weak convergence of an almost-orbit
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    common fixed points
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