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Constraint qualifications and optimality conditions for optimization problems with cardinality constraints

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Abstract

This paper considers optimization problems with cardinality constraints. Based on a recently introduced reformulation of this problem as a nonlinear program with continuous variables, we first define some problem-tailored constraint qualifications and then show how these constraint qualifications can be used to obtain suitable optimality conditions for cardinality constrained problems. Here, the (KKT-like) optimality conditions hold under much weaker assumptions than the corresponding result that is known for the somewhat related class of mathematical programs with complementarity constraints.

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Acknowledgments

The authors would like to thank both referees for their very detailed comments which helped quite a bit to improve the presentation of the paper.

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Correspondence to Alexandra Schwartz.

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This research was partially supported by Grants P402/12/1309 and 15-00735S of the Grant Agency of the Czech Republic and by the Graduate School of Computational Engineering at TU Darmstadt.

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Červinka, M., Kanzow, C. & Schwartz, A. Constraint qualifications and optimality conditions for optimization problems with cardinality constraints. Math. Program. 160, 353–377 (2016). https://doi.org/10.1007/s10107-016-0986-6

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  • DOI: https://doi.org/10.1007/s10107-016-0986-6

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