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**Inventory lot-sizing with supplier selection.**
*(English)*
Zbl 1076.90002

Summary: This paper presents a multi-period inventory lot-sizing scenario, where there are multiple products and multiple suppliers. We consider a situation where the demand of multiple discrete products is known over a planning horizon. Each of these products can be sourced from a set of approved suppliers, a supplier-dependent transaction cost applying for each period in which an order is placed on a supplier. A product-dependent holding cost per period applies for each product in the inventory that is carried across a period in the planning horizon. The decision maker needs to decide what products to order in what quantities with which suppliers in which periods. An enumerative search algorithm and a heuristic are presented to address the problem.

### MSC:

90B05 | Inventory, storage, reservoirs |

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\textit{C. Basnet} and \textit{J. M. Y. Leung}, Comput. Oper. Res. 32, No. 1, 1--14 (2005; Zbl 1076.90002)

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