Equilibrium and Quasi-Equilibrium Problems under φ-Quasimonotonicity and φ-Quasiconvexity. Existence, Stability and Applications
Minimax theory and its applications, Tome 2 (2017) no. 2
We introduce a further generalization of quasimonotonicity of real-valued bifunctions and quasiconvexity of real-valued functions what we call φ-quasimonotonicity and φ-quasiconvexity respectively, φ being a bivariate function under appropriate conditions. Our generalization is on the one hand motivated by several counter-examples and examples such as the Clarke Rockafellar directional derivative, and on the other hand includes the weak or relaxed and strong counterparts of these concepts and moreover leads to new definitions of generalized quasicon vexity and quasimonotonicity
Mots-clés :
Clarkesubdifferential,Clarkegeneralizedderivative,Clarke-Rockafellar subdiffer ential, eigenvalues equilibriumpoints, eigenvaluesminimizers, equilibriumproblems,Minty equilibriumproblems,fixedpoints,Lipschitzfunctions,parametricperturbation,penalization, φ-quasiconvexity,quasi-equilibriumproblems,φ-quasimonotonicity,quasi-optimization,quan titativestability, quasiconvexprogramming, quasi-optimization, Stampacchiavariational and quasi-variational inequalities
@article{MTA_2017_2_2_a0,
author = {M. Ait Mansour,R.-A. Elakri and M. Laghdir},
title = {Equilibrium and {Quasi-Equilibrium} {Problems} under {\ensuremath{\varphi}-Quasimonotonicity} and {\ensuremath{\varphi}-Quasiconvexity.} {Existence,} {Stability} and {Applications}},
journal = {Minimax theory and its applications},
year = {2017},
volume = {2},
number = {2},
url = {http://geodesic.mathdoc.fr/item/MTA_2017_2_2_a0/}
}
TY - JOUR AU - M. Ait Mansour,R.-A. Elakri AU - M. Laghdir TI - Equilibrium and Quasi-Equilibrium Problems under φ-Quasimonotonicity and φ-Quasiconvexity. Existence, Stability and Applications JO - Minimax theory and its applications PY - 2017 VL - 2 IS - 2 UR - http://geodesic.mathdoc.fr/item/MTA_2017_2_2_a0/ ID - MTA_2017_2_2_a0 ER -
%0 Journal Article %A M. Ait Mansour,R.-A. Elakri %A M. Laghdir %T Equilibrium and Quasi-Equilibrium Problems under φ-Quasimonotonicity and φ-Quasiconvexity. Existence, Stability and Applications %J Minimax theory and its applications %D 2017 %V 2 %N 2 %U http://geodesic.mathdoc.fr/item/MTA_2017_2_2_a0/ %F MTA_2017_2_2_a0
M. Ait Mansour,R.-A. Elakri; M. Laghdir. Equilibrium and Quasi-Equilibrium Problems under φ-Quasimonotonicity and φ-Quasiconvexity. Existence, Stability and Applications. Minimax theory and its applications, Tome 2 (2017) no. 2. http://geodesic.mathdoc.fr/item/MTA_2017_2_2_a0/