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New optimality conditions for bilevel programs by using an exact separation principle. (English) Zbl 07238345
Summary: In this paper, we are concerned with a bilevel optimization problem $$(P)$$. Reducing it into a one-level nonlinear and nonsmooth program using an exact separation theorem we give necessary optimality conditions in terms of Fréchet subdifferentials and Fréchet normal cones.
##### MSC:
 90C46 Optimality conditions and duality in mathematical programming 90C30 Nonlinear programming
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##### References:
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