A network relaxation based enumeration algorithm for set partitioning

A network relaxation based enumeration algorithm for set partitioning

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Article ID: iaor1989325
Country: Netherlands
Volume: 38
Issue: 1
Start Page Number: 76
End Page Number: 85
Publication Date: Jan 1989
Journal: European Journal of Operational Research
Authors: ,
Abstract:

Hidden network structure in the element-set incidence constraint matrix of a set partitioning problem can be identified by using procedures for testing when a binary matrix is transformable to a network. The set partitioning problem is thus represented as a network with side constraints. This paper reports the development of a new efficient solution procedure for the set partitioning problem facilitated by the new formulation and makes use of Lagrangean duality, modified subgradients, efficient reoptimization and enumeration tree reduction.

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