A biobjective approach to recoverable robustness based on location planning

Carrizosa, Emilio and Goerigk, Marc and Schöbel, Anita (2017) A biobjective approach to recoverable robustness based on location planning. European Journal of Operational Research, 261 (2). pp. 421-435. ISSN 0377-2217

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Finding robust solutions of an optimization problem is an important issue in practice, and various concepts on how to define the robustness of a solution have been suggested. The idea of recoverable robustness requires that a solution can be recovered to a feasible one as soon as the realized scenario becomes known. The usual approach in the literature is to minimize the objective function value of the recovered solution in the nominal or in the worst case. As the recovery itself is also costly, there is a trade-off between the recovery costs and the solution value obtained; we study both, the recovery costs and the solution value in the worst case in a biobjective setting. To this end, we assume that the recovery costs can be described by a metric. We show that in this case the recovery robust problem can be reduced to a location problem. We show how weakly Pareto efficient solutions to this biobjective problem can be computed by minimizing the recovery costs for a fixed worst-case objective function value and present approaches for the case of linear and quasiconvex problems for finite uncertainty sets. We furthermore derive cases in which the size of the uncertainty set can be reduced without changing the set of Pareto efficient solutions.

Item Type:
Journal Article
Journal or Publication Title:
European Journal of Operational Research
Additional Information:
This is the author’s version of a work that was accepted for publication in European Journal of Operational Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in European Journal of Operational Research, 261, 2, 2017 DOI: 10.1016/j.ejor.2017.02.014
Uncontrolled Keywords:
?? robustness & sensitivity analysisrobust optimizationlocation planningbiobjective optimizationmodelling and simulationmanagement science and operations researchinformation systems and management ??
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Deposited On:
14 Feb 2017 13:12
Last Modified:
22 Nov 2023 00:31