2 papers
math.OC2020
Valid inequalities, preprocessing, and an effective heuristic for the uncapacitated three-level lot-sizing and replenishment problem with a distribution structure
Jesus O. Cunha, Rafael A. Melo
We consider the uncapacitated three-level lot-sizing and replenishment problem with a distribution structure. In this NP-hard problem, a single production plant sends the produced…
math.OC2020
On the computational complexity of uncapacitated multi-plant lot-sizing problems
J. O. Cunha, H. H. Kramer, R. A. Melo
Production and inventory planning have become crucial and challenging in nowadays competitive industrial and commercial sectors, especially when multiple plants or warehouses are i…