Applications of Fixed Point Theorems to Generalized Saddle Points of Bifunctions on Chain-Complete Posets

We apply the extensions of the Abian-Brown fixed point theorem for set-valued mappings on chain-complete posets to examine the existence of generalized and extended saddle points of bifunctions defined on posets. We also study the generalized and extended equilibrium problems and the solvability of...

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Main Authors: Jinlu Li, Ying Liu, Hongya Gao
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2014/580621
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author Jinlu Li
Ying Liu
Hongya Gao
author_facet Jinlu Li
Ying Liu
Hongya Gao
author_sort Jinlu Li
collection DOAJ
description We apply the extensions of the Abian-Brown fixed point theorem for set-valued mappings on chain-complete posets to examine the existence of generalized and extended saddle points of bifunctions defined on posets. We also study the generalized and extended equilibrium problems and the solvability of ordered variational inequalities on posets, which are equipped with a partial order relation and have neither an algebraic structure nor a topological structure.
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series Abstract and Applied Analysis
spelling doaj-art-41d0deb8e7ae4a6496f39b074a16e1c22025-08-20T03:55:40ZengWileyAbstract and Applied Analysis1085-33751687-04092014-01-01201410.1155/2014/580621580621Applications of Fixed Point Theorems to Generalized Saddle Points of Bifunctions on Chain-Complete PosetsJinlu Li0Ying Liu1Hongya Gao2Department of Mathematics, Shawnee State University, Portsmouth, OH 45662, USACollege of Mathematics and Computer, Hebei University, Baoding, Hebei 071002, ChinaCollege of Mathematics and Computer, Hebei University, Baoding, Hebei 071002, ChinaWe apply the extensions of the Abian-Brown fixed point theorem for set-valued mappings on chain-complete posets to examine the existence of generalized and extended saddle points of bifunctions defined on posets. We also study the generalized and extended equilibrium problems and the solvability of ordered variational inequalities on posets, which are equipped with a partial order relation and have neither an algebraic structure nor a topological structure.http://dx.doi.org/10.1155/2014/580621
spellingShingle Jinlu Li
Ying Liu
Hongya Gao
Applications of Fixed Point Theorems to Generalized Saddle Points of Bifunctions on Chain-Complete Posets
Abstract and Applied Analysis
title Applications of Fixed Point Theorems to Generalized Saddle Points of Bifunctions on Chain-Complete Posets
title_full Applications of Fixed Point Theorems to Generalized Saddle Points of Bifunctions on Chain-Complete Posets
title_fullStr Applications of Fixed Point Theorems to Generalized Saddle Points of Bifunctions on Chain-Complete Posets
title_full_unstemmed Applications of Fixed Point Theorems to Generalized Saddle Points of Bifunctions on Chain-Complete Posets
title_short Applications of Fixed Point Theorems to Generalized Saddle Points of Bifunctions on Chain-Complete Posets
title_sort applications of fixed point theorems to generalized saddle points of bifunctions on chain complete posets
url http://dx.doi.org/10.1155/2014/580621
work_keys_str_mv AT jinluli applicationsoffixedpointtheoremstogeneralizedsaddlepointsofbifunctionsonchaincompleteposets
AT yingliu applicationsoffixedpointtheoremstogeneralizedsaddlepointsofbifunctionsonchaincompleteposets
AT hongyagao applicationsoffixedpointtheoremstogeneralizedsaddlepointsofbifunctionsonchaincompleteposets