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Necessary Optimality Conditions for Bilevel Optimization Problems Using Convexificators
Authors:H Babahadda  N Gadhi
Institution:(1) Department of Mathematics, Dhar El Mehrez, Sidi Mohamed Ben Abdellah University, Fes, Morocco
Abstract:In this work, we use a notion of convexificator (Jeyakumar, V. and Luc, D.T. (1999), Journal of Optimization Theory and Applicatons, 101, 599–621.) to establish necessary optimality conditions for bilevel optimization problems. For this end, we introduce an appropriate regularity condition to help us discern the Lagrange–Kuhn–Tucker multipliers.
Keywords:Bilevel optimization  convexificator  continuous functions  Lagrange–  Kuhn–  Tucker multipliers  necessary optimality conditions  regularity condition
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