Uncapacitated Lot-Sizing Problems with Start-Up Costs

Laurence A. Wolsey
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Laurence A. Wolsey: Université Catholique de Louvain, Louvain-la-Neuve, Belgium

Operations Research, 1989, vol. 37, issue 5, 741-747

Abstract: We consider the uncapacitated economic lot-sizing problem with start-up costs as a mixed integer program. A family of strong valid inequalities is derived for the class as well as a polynomial separation algorithm. It is then shown how equivalent, or possibly stronger, formulations are obtained by the introduction of auxiliary variables. Finally, some limited computational results for a single item model and a multi-item model with changeover costs are reported.

Keywords: programming; integer: cutting plane/facet generation algorithms; inventory/production: scale diseconomies; lot-sizing (search for similar items in EconPapers)
Date: 1989
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