engleski

Inequalities of Hermite-Hadamard-Fejer type for convex functions and convex functions on the co-ordinates in a rectangle from the plane

We establish necessary and sufficient conditions for efficiency of multiobjective fractional programming problems involving r-invex functions. Using the optimality conditions, we investigate the parametric type dual, Wolfe type dual and Mond-Weir type dual for multiobjective fractional programming problems concerning r-invexity. Some duality theorems are also proved for such problem in the framework of r-invexity.

multiobjective fractional programming; efficient solution; r -Invexity; duality

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