Generalized vector variational inequalities
Journal of Optimization Theory and Applications
Duality for equilibrium problems under generalized monotonicity
Journal of Optimization Theory and Applications
Existence of a solution and variational principles for vector equilibrium problems
Journal of Optimization Theory and Applications
Minimization of equilibrium problems, variational inequality problems and fixed point problems
Journal of Global Optimization
Algorithms for approximating minimization problems in Hilbert spaces
Journal of Computational and Applied Mathematics
On the image space analysis for vector quasi-equilibrium problems with a variable ordering relation
Journal of Global Optimization
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Let X and Y be real Banach spaces, K be a nonempty convex subset of X, and C:K-2^Y be a multifunction such that for each u@?K, C(u) is a proper, closed and convex cone with intC(u)0@?, where intC(u) denotes the interior of C(u). Given the mappings T:K-2^L^(^X^,^Y^), A:L(X,Y)-L(X,Y), f"1:L(X,Y)xKxK-Y, f"2:KxK-Y, and g:K-K, we introduce and consider the generalized implicit vector equilibrium problem: Find u^*@?K such that for any v@?K, there is s^*@?Tu^* satisfying f"1(As^*,v,g(u^*))+f"2(v,g(u^*))@?-intC(u^*). By using the KKM technique and the well-known Nadler's result, we prove some existence theorems of solutions for this class of generalized implicit vector equilibrium problems. Our theorems extend and improve the corresponding results of several authors.