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|Type:||Artigo de periódico|
|Title:||THE APPLICATION OF VALID INEQUALITIES TO THE MULTISTAGE LOT-SIZING PROBLEM|
|Abstract:||A capacitated multi-stage lot-sizing problem for general product structures with setup and lead times is considered. The problem is formulated as a mixed integer linear program and valid inequalities that are high dimension faces of the problem's convex hull are identified. A fast separation algorithm is developed to iteratively select those inequalities that cut off the solution of the linear programming relaxation. The resulting much improved lower bounds are used in a Branch-and-Bound algorithm. Computational test results are presented.|
|Editor:||Pergamon-elsevier Science Ltd|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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