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On location-allocation problems for dimensional facilities


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Author: Mallozzi, Lina
Puerto Albandoz, Justo
Rodríguez Madrena, Moisés
Department: Universidad de Sevilla. Departamento de Estadística e Investigación Operativa
Date: 2019
Document type: Article
Abstract: This paper deals with a bilevel approach of the location-allocation problem with dimensional facilities. We present a general model that allows us to consider very general shapes of domains for the dimensional facilities and we prove the existence of optimal solutions under mild, natural assumptions. To achieve these results we borrow tools from optimal transport mass theory that allow us to give explicit solution structure of the considered lower level problem. We also provide a discretization approach that can approximate, up to any degree of accuracy, the optimal solution of the original problem. This discrete approximation can be optimally solved via a mixedinteger linear program. To address very large instance sizes we also provide a GRASP heuristic that performs rather well according to our experimental results. The paper also reports some experiments run on test data.
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DOI: 10.1007/s10957-018-01470-y

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