Abstract
In this paper, we employ some advanced tools of variational analysis to provide new necessary optimality conditions for approximate (weak) Pareto solutions of a nonconvex and nonsmooth cone constrained vector optimization problem. The obtained necessary conditions are exhibited in a fuzzy form and a Fritz-John type. Sufficient optimality conditions for approximate (weak) Pareto solutions of the multiobjective problem are established by using assumptions of (strictly) approximately generalized convexity. Moreover, we address an approximate dual vector problem for the cone constrained vector optimization problem and examine converse and strong dualities for approximate (weak) Pareto solutions.
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The author would like to thank the editor and referees for the valuable comments and suggestions, which help improved the presentation of the paper.
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This work was supported by the National Foundation for Science and Technology Development of Vietnam (NAFOSTED) under Grant No. 101.01-2020.09.
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Chuong, T.D. Approximate solutions in nonsmooth and nonconvex cone constrained vector optimization. Ann Oper Res 311, 997–1015 (2022). https://doi.org/10.1007/s10479-020-03740-3
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DOI: https://doi.org/10.1007/s10479-020-03740-3