Stability and Scalarization of Weak Efficient, Efficient and Henig Proper Efficient Sets Using Generalized Quasiconvexities

C. S. Lalitha () and Prashanto Chatterjee ()
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C. S. Lalitha: University of Delhi South Campus
Prashanto Chatterjee: University of Delhi

Journal of Optimization Theory and Applications, 2012, vol. 155, issue 3, No 11, 961 pages

Abstract: Abstract The aim of this paper is to establish the stability of weak efficient, efficient and Henig proper efficient sets of a vector optimization problem, using quasiconvex and related functions. We establish the Kuratowski–Painlevé set-convergence of the minimal solution sets of a family of perturbed problems to the corresponding minimal solution set of the vector problem, where the perturbations are performed on both the objective function and the feasible set. This convergence is established by using gamma convergence of the sequence of the perturbed objective functions and Kuratowski–Painlevé set-convergence of the sequence of the perturbed feasible sets. The solution sets of the vector problem are characterized in terms of the solution sets of a scalar problem, where the scalarization function satisfies order preserving and order representing properties. This characterization is further used to establish the Kuratowski–Painlevé set-convergence of the solution sets of a family of scalarized problems to the solution sets of the vector problem.

Keywords: Kuratowski–Painlevé set-convergence; Gamma convergence; Quasi cone-convexity; Efficiency; Scalarization (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1007/s10957-012-0106-6

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