A-properness and fixed point theorems for dissipative type maps

We obtain new A-properness results for demicontinuous, dissipative type mappings defined only on closed convex subsets of a Banach space X with uniformly convex dual and which satisfy a property called weakly inward. The method relies on a new property of the duality mapping in such spaces. New fixe...

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Main Authors: K. Q. Lan, J. R. L. Webb
Format: Article
Language:English
Published: Wiley 1999-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/S108533759900010X
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author K. Q. Lan
J. R. L. Webb
author_facet K. Q. Lan
J. R. L. Webb
author_sort K. Q. Lan
collection DOAJ
description We obtain new A-properness results for demicontinuous, dissipative type mappings defined only on closed convex subsets of a Banach space X with uniformly convex dual and which satisfy a property called weakly inward. The method relies on a new property of the duality mapping in such spaces. New fixed point results are obtained by utilising a theory of fixed point index.
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spelling doaj-art-0d1b8b2f83c24e128314146a8f6b4acd2025-08-20T02:03:02ZengWileyAbstract and Applied Analysis1085-33751687-04091999-01-01428310010.1155/S108533759900010XA-properness and fixed point theorems for dissipative type mapsK. Q. Lan0J. R. L. Webb1Department of Mathematics and Statistics, York University, 4700 Keele Street, Toronto M3J 1P3, Ontario, CanadaDepartment of Mathematics, University of Glasgow, Glasgow G12 8QW, UKWe obtain new A-properness results for demicontinuous, dissipative type mappings defined only on closed convex subsets of a Banach space X with uniformly convex dual and which satisfy a property called weakly inward. The method relies on a new property of the duality mapping in such spaces. New fixed point results are obtained by utilising a theory of fixed point index.http://dx.doi.org/10.1155/S108533759900010X
spellingShingle K. Q. Lan
J. R. L. Webb
A-properness and fixed point theorems for dissipative type maps
Abstract and Applied Analysis
title A-properness and fixed point theorems for dissipative type maps
title_full A-properness and fixed point theorems for dissipative type maps
title_fullStr A-properness and fixed point theorems for dissipative type maps
title_full_unstemmed A-properness and fixed point theorems for dissipative type maps
title_short A-properness and fixed point theorems for dissipative type maps
title_sort a properness and fixed point theorems for dissipative type maps
url http://dx.doi.org/10.1155/S108533759900010X
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