Weak Convergence Theorems of Three Iterative Methods for Strictly Pseudocontractive Mappings of Browder-Petryshyn Type

<p>Abstract</p> <p>Let <inline-formula> <graphic file="1687-1812-2008-672301-i1.gif"/></inline-formula> be a real <inline-formula> <graphic file="1687-1812-2008-672301-i2.gif"/></inline-formula>-uniformly smooth Banach space w...

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Main Authors: Zhang Ying, Guo Yan
Format: Article
Language:English
Published: SpringerOpen 2008-01-01
Series:Fixed Point Theory and Applications
Online Access:http://www.fixedpointtheoryandapplications.com/content/2008/672301
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author Zhang Ying
Guo Yan
author_facet Zhang Ying
Guo Yan
author_sort Zhang Ying
collection DOAJ
description <p>Abstract</p> <p>Let <inline-formula> <graphic file="1687-1812-2008-672301-i1.gif"/></inline-formula> be a real <inline-formula> <graphic file="1687-1812-2008-672301-i2.gif"/></inline-formula>-uniformly smooth Banach space which is also uniformly convex (e.g., <inline-formula> <graphic file="1687-1812-2008-672301-i3.gif"/></inline-formula> or <inline-formula> <graphic file="1687-1812-2008-672301-i4.gif"/></inline-formula> spaces <inline-formula> <graphic file="1687-1812-2008-672301-i5.gif"/></inline-formula>, and <inline-formula> <graphic file="1687-1812-2008-672301-i6.gif"/></inline-formula> a nonempty closed convex subset of <inline-formula> <graphic file="1687-1812-2008-672301-i7.gif"/></inline-formula>. By constructing nonexpansive mappings, we elicit the weak convergence of Mann's algorithm for a <inline-formula> <graphic file="1687-1812-2008-672301-i8.gif"/></inline-formula>-strictly pseudocontractive mapping of Browder-Petryshyn type on <inline-formula> <graphic file="1687-1812-2008-672301-i9.gif"/></inline-formula> in condition thet the control sequence <inline-formula> <graphic file="1687-1812-2008-672301-i10.gif"/></inline-formula> is chosen so that (i) <inline-formula> <graphic file="1687-1812-2008-672301-i11.gif"/></inline-formula> (ii) <inline-formula> <graphic file="1687-1812-2008-672301-i12.gif"/></inline-formula>, where <inline-formula> <graphic file="1687-1812-2008-672301-i13.gif"/></inline-formula>. Moreover, we consider to find a common fixed point of a finite family of strictly pseudocontractive mappings and consider the parallel and cyclic algorithms for solving this problem. We will prove the weak convergence of these algorithms.</p>
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spelling doaj.art-f8bfdc45db4546529c5a82b0c7de6eb72022-12-21T19:22:29ZengSpringerOpenFixed Point Theory and Applications1687-18201687-18122008-01-0120081672301Weak Convergence Theorems of Three Iterative Methods for Strictly Pseudocontractive Mappings of Browder-Petryshyn TypeZhang YingGuo Yan<p>Abstract</p> <p>Let <inline-formula> <graphic file="1687-1812-2008-672301-i1.gif"/></inline-formula> be a real <inline-formula> <graphic file="1687-1812-2008-672301-i2.gif"/></inline-formula>-uniformly smooth Banach space which is also uniformly convex (e.g., <inline-formula> <graphic file="1687-1812-2008-672301-i3.gif"/></inline-formula> or <inline-formula> <graphic file="1687-1812-2008-672301-i4.gif"/></inline-formula> spaces <inline-formula> <graphic file="1687-1812-2008-672301-i5.gif"/></inline-formula>, and <inline-formula> <graphic file="1687-1812-2008-672301-i6.gif"/></inline-formula> a nonempty closed convex subset of <inline-formula> <graphic file="1687-1812-2008-672301-i7.gif"/></inline-formula>. By constructing nonexpansive mappings, we elicit the weak convergence of Mann's algorithm for a <inline-formula> <graphic file="1687-1812-2008-672301-i8.gif"/></inline-formula>-strictly pseudocontractive mapping of Browder-Petryshyn type on <inline-formula> <graphic file="1687-1812-2008-672301-i9.gif"/></inline-formula> in condition thet the control sequence <inline-formula> <graphic file="1687-1812-2008-672301-i10.gif"/></inline-formula> is chosen so that (i) <inline-formula> <graphic file="1687-1812-2008-672301-i11.gif"/></inline-formula> (ii) <inline-formula> <graphic file="1687-1812-2008-672301-i12.gif"/></inline-formula>, where <inline-formula> <graphic file="1687-1812-2008-672301-i13.gif"/></inline-formula>. Moreover, we consider to find a common fixed point of a finite family of strictly pseudocontractive mappings and consider the parallel and cyclic algorithms for solving this problem. We will prove the weak convergence of these algorithms.</p>http://www.fixedpointtheoryandapplications.com/content/2008/672301
spellingShingle Zhang Ying
Guo Yan
Weak Convergence Theorems of Three Iterative Methods for Strictly Pseudocontractive Mappings of Browder-Petryshyn Type
Fixed Point Theory and Applications
title Weak Convergence Theorems of Three Iterative Methods for Strictly Pseudocontractive Mappings of Browder-Petryshyn Type
title_full Weak Convergence Theorems of Three Iterative Methods for Strictly Pseudocontractive Mappings of Browder-Petryshyn Type
title_fullStr Weak Convergence Theorems of Three Iterative Methods for Strictly Pseudocontractive Mappings of Browder-Petryshyn Type
title_full_unstemmed Weak Convergence Theorems of Three Iterative Methods for Strictly Pseudocontractive Mappings of Browder-Petryshyn Type
title_short Weak Convergence Theorems of Three Iterative Methods for Strictly Pseudocontractive Mappings of Browder-Petryshyn Type
title_sort weak convergence theorems of three iterative methods for strictly pseudocontractive mappings of browder petryshyn type
url http://www.fixedpointtheoryandapplications.com/content/2008/672301
work_keys_str_mv AT zhangying weakconvergencetheoremsofthreeiterativemethodsforstrictlypseudocontractivemappingsofbrowderpetryshyntype
AT guoyan weakconvergencetheoremsofthreeiterativemethodsforstrictlypseudocontractivemappingsofbrowderpetryshyntype