Proximal proper efficiency in set-valued optimization

Proximal proper efficiency in set-valued optimization

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Article ID: iaor2008473
Country: United Kingdom
Volume: 33
Issue: 5
Start Page Number: 407
End Page Number: 411
Publication Date: Oct 2005
Journal: OMEGA
Authors: ,
Keywords: lagrange multipliers, sets
Abstract:

In this paper, we introduce the concept of cone semilocal convex and cone semilocal convexlike set-valued maps and obtain characterization of these maps in terms of locally star-shaped sets. We derive an alternative theorem involving cone semilocal convexlike set-valued maps under the assumption of closedness of the translation of the image set of the map by the cone under consideration. We introduce proximal proper efficiency for a set-valued optimization problem in finite-dimensional spaces and obtain certain scalarization and Lagrange multiplier theorems. In the end, we consider a Lagrange form of dual and establish weak and strong duality theorems.

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