Stability of Regularized Bilevel Programming Problems |
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Authors: | M. B. Lignola J. Morgan |
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Affiliation: | (1) Dipartimento di Matematica e Applicazioni, Facoltà d'Ingegneria, Università di Napoli Federico II,, Napoli, Italy;(2) Dipartimento di Matematica e Applicazioni, Facoltà di Scienze, Università di Napoli Federico II,, Napoli, Italy |
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Abstract: | A bilevel programming problem S is considered. First, sufficient conditions of minimal character are given on the data of the problem in order to guarantee the lower semicontinuity of the marginal function of the upper level problem. Then, for >0, a regularized problem S() is considered for which continuity of the regularized marginal function and convergence of the approximate value, as goes to zero, are obtained. Moreover, under perturbations on the data, convergence results for the perturbed marginal functions and the solutions to the problem Sn() are given for any >0. |
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Keywords: | Bilevel programming problems strong Stackelberg problems marginal functions epiconvergence convergence of multi-functions convergence of solutions convergence of values |
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