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Vector-valued perturbed equilibrium problems |
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| Authors: | Catherine Finet Lucas Quarta |
| Institution: | Institut de Mathématique, Université de Mons-Hainaut, Le Pentagone, Avenue du Champ de Mars, 6, B-7000 Mons, Belgium |
| Abstract: | The goal of this paper is to prove some general vector-valued perturbed equilibrium principles and some existence results of vector equilibrium points for bifunctions satisfying a new natural notion of lower semi-continuity. We obtain these results by going through a new concept of approximative equilibrium point. |
| Keywords: | Equilibrium problems Lower semi-continuity Variational principles Vector-valued perturbed equilibrium principles |
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