Mixed quasi invex equilibrium problems

We introduce a new class of equilibrium problems, known as mixed quasi invex equilibrium (or equilibrium-like) problems. This class of invex equilibrium problems includes equilibrium problems, variational inequalities, and variational-like inequalities as special cases. Several iterative schemes for...

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Main Author: Muhammad Aslam Noor
Format: Article
Language:English
Published: Wiley 2004-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/S0161171204310112
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author Muhammad Aslam Noor
author_facet Muhammad Aslam Noor
author_sort Muhammad Aslam Noor
collection DOAJ
description We introduce a new class of equilibrium problems, known as mixed quasi invex equilibrium (or equilibrium-like) problems. This class of invex equilibrium problems includes equilibrium problems, variational inequalities, and variational-like inequalities as special cases. Several iterative schemes for solving invex equilibrium problems are suggested and analyzed using the auxiliary principle technique. It is shown that the convergence of these iterative schemes requires either pseudomonotonicity or partially relaxed strong monotonicity, which are weaker conditions than the previous ones. As special cases, we also obtained the correct forms of the algorithms for solving variational-like inequalities, which have been considered in the setting of convexity. In fact, our results represent significant and important refinements of the previously known results.
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institution Kabale University
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series International Journal of Mathematics and Mathematical Sciences
spelling doaj-art-0a2c2ded64ef44b28fecba7a1e0775262025-02-03T01:12:28ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04252004-01-012004573057306710.1155/S0161171204310112Mixed quasi invex equilibrium problemsMuhammad Aslam Noor0Etisalat College of Engineering, P.O. Box 980, Sharjah, United Arab EmiratesWe introduce a new class of equilibrium problems, known as mixed quasi invex equilibrium (or equilibrium-like) problems. This class of invex equilibrium problems includes equilibrium problems, variational inequalities, and variational-like inequalities as special cases. Several iterative schemes for solving invex equilibrium problems are suggested and analyzed using the auxiliary principle technique. It is shown that the convergence of these iterative schemes requires either pseudomonotonicity or partially relaxed strong monotonicity, which are weaker conditions than the previous ones. As special cases, we also obtained the correct forms of the algorithms for solving variational-like inequalities, which have been considered in the setting of convexity. In fact, our results represent significant and important refinements of the previously known results.http://dx.doi.org/10.1155/S0161171204310112
spellingShingle Muhammad Aslam Noor
Mixed quasi invex equilibrium problems
International Journal of Mathematics and Mathematical Sciences
title Mixed quasi invex equilibrium problems
title_full Mixed quasi invex equilibrium problems
title_fullStr Mixed quasi invex equilibrium problems
title_full_unstemmed Mixed quasi invex equilibrium problems
title_short Mixed quasi invex equilibrium problems
title_sort mixed quasi invex equilibrium problems
url http://dx.doi.org/10.1155/S0161171204310112
work_keys_str_mv AT muhammadaslamnoor mixedquasiinvexequilibriumproblems