Optimality and Duality for Set-Valued Fractional Programming Involving Generalized cone invexity
In this paper, a new class of generalized preinvex set-valued maps is introduced and its characterization in terms of their contingent epi-derivatives is obtained. Then we derive necessary and sufficient optimality conditions for a set-valued fractional programming problem using generalized cone invexity. Wolfe and Mond Weir type duals are formulated and various duality results are established.
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