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New valid inequalities for a multi-echelon multi-item lot-sizing problem with returns and lost sales

Abstract : This work studies a multi-echelon multi-item lot-sizing problem with remanufacturing and lost sales. The problem is formulated as a mixed-integer linear program. A new family of valid inequalities taking advantage of the problem structure is introduced and used in a customized branch-and-cut algorithm. The provided numerical results show that the proposed algorithm outperforms both the generic branch-andcut algorithm embedded in a standard-alone mathematical solver and a previously published customized branch-and-cut algorithm.
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https://hal.archives-ouvertes.fr/hal-03351045
Contributor : Céline Gicquel Connect in order to contact the contributor
Submitted on : Tuesday, September 21, 2021 - 8:56:39 PM
Last modification on : Wednesday, September 28, 2022 - 5:52:20 AM
Long-term archiving on: : Wednesday, December 22, 2021 - 7:25:30 PM

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Franco Quezada, Céline Gicquel, Safia Kedad-Sidhoum. New valid inequalities for a multi-echelon multi-item lot-sizing problem with returns and lost sales. ICCL 2021: International Conference on Computational Logistics, Sep 2021, Enschede (online), Netherlands. pp.192-207, ⟨10.1007/978-3-030-87672-2_13⟩. ⟨hal-03351045⟩

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