A computational comparison of several formulations for the multi-period incremental service facility location problem |
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Authors: | Maria Albareda-Sambola Antonio Alonso-Ayuso Laureano F Escudero Elena Fernández Yolanda Hinojosa Celeste Pizarro-Romero |
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Institution: | 1.Dept. of Statistics and Operations Research,Technical University of Catalonia,Barcelona,Spain;2.Dept. of Statistics and Operations Research,University Rey Juan Carlos,Móstoles,Spain;3.Dept. Economía Aplicada I,University of Seville,Seville,Spain |
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Abstract: | The Multi-period Incremental Service Facility Location Problem, which was recently introduced, is a strategic problem for
timing the location of facilities and the assignment of customers to facilities in a multi-period environment. Aiming at finding
the strongest formulation for this problem, in this work we study three alternative formulations based on the so-called impulse
variables and step variables. To this end, an extensive computational comparison is performed. As a conclusion, the hybrid
impulse–step formulation provides better computational results than any of the other two formulations. |
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Keywords: | |
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