Optimality and duality for nondifferentiable multiobjective variational problems

The concept of efficiency is used to formulate duality for nondifferentiable multiobjective variational problems.Wolfe and Mond–Weir type vector dual problems are formulated. By using the generalized Schwarz inequality and a characterization of efficient solution, we established the weak, strong, and converse duality theorems under generalized (F, ρ)- convexity assumptions.  2002 Elsevier Science (USA). All rights reserved.