Invex functions and generalized convexity in multiobjective programming
Journal of Optimization Theory and Applications
Optimality conditions for Pareto nonsmooth nonconvex programming in Banach spaces
Journal of Optimization Theory and Applications
Computers & Mathematics with Applications
New optimality conditions for nonsmooth control problems
Journal of Global Optimization
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Using the theory of abstract optimization problems in infinite-dimensional spaces we provide necessary optimality conditions of first and second order for weakly efficient solutions of the multi-objective infinite programming problem. Sufficient conditions are given under invexity assumptions. We generalize the notion of KKT-invexity for the multi-objective infinite problem and show that this notion is a necessary and sufficient condition for every vector KKT solution to be a weakly efficient solution. Moreover, we develop a theorem of the alternative, useful for proving some of our results.