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Home  >  volume 36 (no1)

GeneratingOn the Alternative Formulations and Model Selection Criteria of Single and Two Stage Capacitated Facility Location Problems by Abdullahi N., Sani B. and Chinyio D.T (Pages 85-98)
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We study alternative mathematical model formulations for the single and two level capacitated facility (plant or warehouse) location problems. In each case, some different formulations are shown to be equivalent. Analysis of dominant relationship amongst the lower bounds produced by these alternative formulations was carried out. A criterion for selecting superior or proper model formulation among the alternative formulations, based on the quality of their respective lower bounds was outlined. Finally, the result of a computational study is reported.

                Keywords: Mixed integer programming, Facility (Warehouse, or Plant) Location problem, valid inequalities, LP- relaxation, modeling