Capacitated Lot-sizing Problem with Setup times , Stock and Demand Shortages

@inproceedings{Absi2005CapacitatedLP,
  title={Capacitated Lot-sizing Problem with Setup times , Stock and Demand Shortages},
  author={Nabil Absi and Safia Kedad-Sidhoum},
  year={2005}
}
We address a multi-item capacitated lot-sizing problem with setup times, stock and demand shortages. Demand cannot be backlogged, but can be totally or partially lost. Safety stock is an objective to reach rather than an industrial constraint to respect. In this paper we consider an approach based on a lagrangean relaxation of the capacity constraints to generate a lower bound of the optimal value. This relaxation induces N single-item uncapacitated lot-sizing problems, where N denotes the… CONTINUE READING
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