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Robust Duality in Parametric Convex Optimization

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Abstract

Modelling of convex optimization in the face of data uncertainty often gives rise to families of parametric convex optimization problems. This motivates us to present, in this paper, a duality framework for a family of parametric convex optimization problems. By employing conjugate analysis, we present robust duality for the family of parametric problems by establishing strong duality between associated dual pair. We first show that robust duality holds whenever a constraint qualification holds. We then show that this constraint qualification is also necessary for robust duality in the sense that the constraint qualification holds if and only if robust duality holds for every linear perturbation of the objective function. As an application, we obtain a robust duality theorem for the best approximation problems with constraint data uncertainty under a strict feasibility condition.

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Correspondence to V. Jeyakumar.

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The authors are grateful to the referees for their constructive comments and helpful suggestions which have contributed to the final preparation of the paper.

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Boţ, R.I., Jeyakumar, V. & Li, G.Y. Robust Duality in Parametric Convex Optimization. Set-Valued Var. Anal 21, 177–189 (2013). https://doi.org/10.1007/s11228-012-0219-y

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  • DOI: https://doi.org/10.1007/s11228-012-0219-y

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