Normal Structure and Common Fixed Point Properties for Semigroups of Nonexpansive Mappings in Banach Spaces

In 1965, Kirk proved that if C is a nonempty weakly compact convex subset of a Banach space with normal structure, then every nonexpansive mapping T:C→C has a fixed point. The purpose of this paper is to outline various generalizations of Kirk's fixed point theorem to semigroup of...

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Main Author: Anthony To-Ming Lau
Format: Article
Language:English
Published: SpringerOpen 2010-01-01
Series:Fixed Point Theory and Applications
Online Access:http://dx.doi.org/10.1155/2010/580956
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spelling doaj-eb31cee3ac3242bca3cd20a246e0c58a2020-11-24T21:40:08ZengSpringerOpenFixed Point Theory and Applications1687-18201687-18122010-01-01201010.1155/2010/580956Normal Structure and Common Fixed Point Properties for Semigroups of Nonexpansive Mappings in Banach SpacesAnthony To-Ming LauIn 1965, Kirk proved that if C is a nonempty weakly compact convex subset of a Banach space with normal structure, then every nonexpansive mapping T:C→C has a fixed point. The purpose of this paper is to outline various generalizations of Kirk's fixed point theorem to semigroup of nonexpansive mappings and for Banach spaces associated to a locally compact group. http://dx.doi.org/10.1155/2010/580956
collection DOAJ
language English
format Article
sources DOAJ
author Anthony To-Ming Lau
spellingShingle Anthony To-Ming Lau
Normal Structure and Common Fixed Point Properties for Semigroups of Nonexpansive Mappings in Banach Spaces
Fixed Point Theory and Applications
author_facet Anthony To-Ming Lau
author_sort Anthony To-Ming Lau
title Normal Structure and Common Fixed Point Properties for Semigroups of Nonexpansive Mappings in Banach Spaces
title_short Normal Structure and Common Fixed Point Properties for Semigroups of Nonexpansive Mappings in Banach Spaces
title_full Normal Structure and Common Fixed Point Properties for Semigroups of Nonexpansive Mappings in Banach Spaces
title_fullStr Normal Structure and Common Fixed Point Properties for Semigroups of Nonexpansive Mappings in Banach Spaces
title_full_unstemmed Normal Structure and Common Fixed Point Properties for Semigroups of Nonexpansive Mappings in Banach Spaces
title_sort normal structure and common fixed point properties for semigroups of nonexpansive mappings in banach spaces
publisher SpringerOpen
series Fixed Point Theory and Applications
issn 1687-1820
1687-1812
publishDate 2010-01-01
description In 1965, Kirk proved that if C is a nonempty weakly compact convex subset of a Banach space with normal structure, then every nonexpansive mapping T:C→C has a fixed point. The purpose of this paper is to outline various generalizations of Kirk's fixed point theorem to semigroup of nonexpansive mappings and for Banach spaces associated to a locally compact group.
url http://dx.doi.org/10.1155/2010/580956
work_keys_str_mv AT anthonytominglau normalstructureandcommonfixedpointpropertiesforsemigroupsofnonexpansivemappingsinbanachspaces
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