Improved lower bounds for the capacitated lot sizing problem with setup times |
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| Authors: | Raf Jans Zeger Degraeve |
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| Affiliation: | a Rotterdam School of Management, Erasmus University, P.O. Box 1738, 3000 DR Rotterdam, The Netherlands
b London Business School, Regent's Park, London NW1 4SA, UK |
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| Abstract: | We present new lower bounds for the capacitated lot sizing problem, applying decomposition to the network reformulation. The demand constraints are the linking constraints and the problem decomposes into subproblems per period containing the capacity and setup constraints. Computational results and a comparison to other lower bounds are presented. |
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| Keywords: | Capacitated lot sizing Dantzig-Wolfe decomposition Lagrange relaxation Lower bounds |
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