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Title: | Variational analysis on local sharp minima via exact penalization | Authors: | Meng, K Yang, X |
Issue Date: | Dec-2016 | Source: | Set-valued and variational analysis, Dec. 2016, v. 24, no. 4, p. 619-635 | Abstract: | In this paper we study local sharp minima of the nonlinear programming problem via exact penalization. Utilizing generalized differentiation tools in variational analysis such as subderivatives and regular subdifferentials, we obtain some primal and dual characterizations for a penalty function associated with the nonlinear programming problem to have a local sharp minimum. These general results are then applied to the ?p penalty function with 0 ? p ? 1. In particular, we present primal and dual equivalent conditions in terms of the original data of the nonlinear programming problem, which guarantee that the ?p penalty function has a local sharp minimum with a finite penalty parameter in the case of p?(12,1] and p=12 respectively. By assuming the Guignard constraint qualification (resp. the generalized Guignard constraint qualification), we also show that a local sharp minimum of the nonlinear programming problem can be an exact local sharp minimum of the ?p penalty function with p ? [0, 1] (resp. p?[0,12]). Finally, we give some formulas for calculating the smallest penalty parameter for a penalty function to have a local sharp minimum. | Keywords: | Exact penalization Local sharp minimum Regular subdifferential Smallest penalty parameter Subderivative |
Publisher: | Springer | Journal: | Set-valued and variational analysis | ISSN: | 1877-0533 | EISSN: | 1877-0541 | DOI: | 10.1007/s11228-016-0360-0 | Rights: | © Springer Science+Business Media Dordrecht 2016 This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use (https://www.springernature.com/gp/open-research/policies/accepted-manuscript-terms), but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s11228-016-0360-0 |
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