Abstract
In this paper a class combinatorial optimization problems with uncertain costs is discussed. This uncertainty is modeled by specifying a scenario set containing K distinct cost vectors. In order to choose a solution the Ordered Weighted Averaging aggregation operator (OWA) is used. For most classical problems, for example network problems, minimizing OWA is NP-hard even for two scenarios. In this paper some positive and negative approximation results for the problem are shown.
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The work was partially supported by Polish Committee for Scientific Research, grant N N206 492938.
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Kasperski, A., Zieliński, P. (2014). Approximating Combinatorial Optimization Problems with Uncertain Costs and the OWA Criterion. In: Helber, S., et al. Operations Research Proceedings 2012. Operations Research Proceedings. Springer, Cham. https://doi.org/10.1007/978-3-319-00795-3_21
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DOI: https://doi.org/10.1007/978-3-319-00795-3_21
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