Abstract
In this paper, we study the norm-based robust (efficient) solutions of a vector optimization problem. We define two kinds of non-ascent directions in terms of Clarke’s generalized gradient and characterize norm-based robustness by means of the newly defined directions. This is done under a basic constraint qualification. We extend the provided characterization to vector optimization problems with conic constraints and semi-infinite ones. Moreover, we derive a necessary condition for norm-based robustness utilizing a non-smooth gap function.
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Acknowledgements
The authors would like to express their gratitude to the editor in chief of JOTA, handling editor, and two anonymous referees for their helpful comments on the earlier versions of the paper. The research was in part supported by a Grant from the Iran National Science Foundation (INSF) (No. 96005247).
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Communicated by Fabián Flores-Bazán.
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Rahimi, M., Soleimani-damaneh, M. Characterization of Norm-Based Robust Solutions in Vector Optimization. J Optim Theory Appl 185, 554–573 (2020). https://doi.org/10.1007/s10957-020-01662-5
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DOI: https://doi.org/10.1007/s10957-020-01662-5