Economic Lot-Sizing with Start-up Costs: The Convex Hull
Author(s)Van Hoesel, C. P. M.; Wagelmans, Albert; Wolsey, Laurence A.
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A partial description of the convex hull of solutions to the economic lot-sizing problem with start-up costs (ELSS) has been derived recently. Here a larger class of valid inequalities is given and it is shown that these inequalities describe the convex hull of ELSS. This in turn proves that a plant location formulation as a linear program solves ELSS. Finally a separation algorithm is given.
Massachusetts Institute of Technology, Operations Research Center
Operations Research Center Working Paper;OR 241-91
Economic Lot-Sizing, Polyhedral Description, Plant Location, Separation.