Remarks on Weakly KKM Maps in Abstract Convex Spaces

A KKM space is an abstract convex space satisfying the KKM principle. We obtain variants of the KKM principle for KKM spaces related to weakly KKM maps and indicate some applications of them. These results properly generalize the corresponding ones in G-convex spaces and ϕA-spaces (X,D;{ϕA}A∈〈D〉). C...

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Main Author: Sehie Park
Format: Article
Language:English
Published: Wiley 2008-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/2008/423596
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author Sehie Park
author_facet Sehie Park
author_sort Sehie Park
collection DOAJ
description A KKM space is an abstract convex space satisfying the KKM principle. We obtain variants of the KKM principle for KKM spaces related to weakly KKM maps and indicate some applications of them. These results properly generalize the corresponding ones in G-convex spaces and ϕA-spaces (X,D;{ϕA}A∈〈D〉). Consequently, results by Balaj 2004, Liu 1991, and Tang et al. 2007 can be properly generalized and unified.
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institution Kabale University
issn 0161-1712
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language English
publishDate 2008-01-01
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record_format Article
series International Journal of Mathematics and Mathematical Sciences
spelling doaj-art-2a62d61d0d544081af40f69a6a3b4b8c2025-08-20T03:54:37ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04252008-01-01200810.1155/2008/423596423596Remarks on Weakly KKM Maps in Abstract Convex SpacesSehie Park0Natural Sciences Division, The National Academy of Sciences, Seoul 137-044, South KoreaA KKM space is an abstract convex space satisfying the KKM principle. We obtain variants of the KKM principle for KKM spaces related to weakly KKM maps and indicate some applications of them. These results properly generalize the corresponding ones in G-convex spaces and ϕA-spaces (X,D;{ϕA}A∈〈D〉). Consequently, results by Balaj 2004, Liu 1991, and Tang et al. 2007 can be properly generalized and unified.http://dx.doi.org/10.1155/2008/423596
spellingShingle Sehie Park
Remarks on Weakly KKM Maps in Abstract Convex Spaces
International Journal of Mathematics and Mathematical Sciences
title Remarks on Weakly KKM Maps in Abstract Convex Spaces
title_full Remarks on Weakly KKM Maps in Abstract Convex Spaces
title_fullStr Remarks on Weakly KKM Maps in Abstract Convex Spaces
title_full_unstemmed Remarks on Weakly KKM Maps in Abstract Convex Spaces
title_short Remarks on Weakly KKM Maps in Abstract Convex Spaces
title_sort remarks on weakly kkm maps in abstract convex spaces
url http://dx.doi.org/10.1155/2008/423596
work_keys_str_mv AT sehiepark remarksonweaklykkmmapsinabstractconvexspaces