First order optimality condition for constrained set-valued optimization

Crespi Giovanni P., Ginchev Ivan () and Rocca Matteo ()
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Crespi Giovanni P.: Department of Economics, University of Insubria, Italy
Ginchev Ivan: Department of Mathematics Varna, Bulgaria
Rocca Matteo: Department of Economics, University of Insubria, Italy

Economics and Quantitative Methods from Department of Economics, University of Insubria

Abstract: A constrained optimization problem with set-valued data is considered. Different kind of solutions are defined for such a problem. We recall weak minimizer, efficient minimizer and proper minimizer. The latter are defined in a way that embrace also the case when the ordering cone is not pointed. Moreover we present the new concept of isolated minimizer for set-valued optimization. These notions are investigated and appear when establishing first-order necessary and sufficient optimality conditions derived in terms of a Dini type derivative for set-valued maps. The case of convex (along rays) data is considered when studying sufficient optimality conditions for weak minimizers. Key words: Vector optimization, Set-valued optimization, First-order optimality conditions.

Pages: 16 pages
Date: 2004-07
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Persistent link: https://EconPapers.repec.org/RePEc:ins:quaeco:qf04014

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