New Generalization of -Best Simultaneous Approximation in Topological Vector Spaces

Let be a nonempty subset of a Hausdorff topological vector space , and let be a real-valued continuous function on . If for each , there exists such that , then is called -simultaneously proximal and is called -best simultaneous approximation for in . In this paper, we study the problem of -si...

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Main Authors: Mahmoud Rawashdeh, Sarah Khalil
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2013/978738
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author Mahmoud Rawashdeh
Sarah Khalil
author_facet Mahmoud Rawashdeh
Sarah Khalil
author_sort Mahmoud Rawashdeh
collection DOAJ
description Let be a nonempty subset of a Hausdorff topological vector space , and let be a real-valued continuous function on . If for each , there exists such that , then is called -simultaneously proximal and is called -best simultaneous approximation for in . In this paper, we study the problem of -simultaneous approximation for a vector subspace in . Some other results regarding -simultaneous approximation in quotient space are presented.
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spelling doaj-art-8dfd39d3a42e4f0890346235d9496b4d2025-02-03T05:53:23ZengWileyAbstract and Applied Analysis1085-33751687-04092013-01-01201310.1155/2013/978738978738New Generalization of -Best Simultaneous Approximation in Topological Vector SpacesMahmoud Rawashdeh0Sarah Khalil1Department of Mathematics and Statistics, Jordan University of Science and Technology, Irbid 22110, JordanDepartment of Mathematics and Statistics, Jordan University of Science and Technology, Irbid 22110, JordanLet be a nonempty subset of a Hausdorff topological vector space , and let be a real-valued continuous function on . If for each , there exists such that , then is called -simultaneously proximal and is called -best simultaneous approximation for in . In this paper, we study the problem of -simultaneous approximation for a vector subspace in . Some other results regarding -simultaneous approximation in quotient space are presented.http://dx.doi.org/10.1155/2013/978738
spellingShingle Mahmoud Rawashdeh
Sarah Khalil
New Generalization of -Best Simultaneous Approximation in Topological Vector Spaces
Abstract and Applied Analysis
title New Generalization of -Best Simultaneous Approximation in Topological Vector Spaces
title_full New Generalization of -Best Simultaneous Approximation in Topological Vector Spaces
title_fullStr New Generalization of -Best Simultaneous Approximation in Topological Vector Spaces
title_full_unstemmed New Generalization of -Best Simultaneous Approximation in Topological Vector Spaces
title_short New Generalization of -Best Simultaneous Approximation in Topological Vector Spaces
title_sort new generalization of best simultaneous approximation in topological vector spaces
url http://dx.doi.org/10.1155/2013/978738
work_keys_str_mv AT mahmoudrawashdeh newgeneralizationofbestsimultaneousapproximationintopologicalvectorspaces
AT sarahkhalil newgeneralizationofbestsimultaneousapproximationintopologicalvectorspaces