Linear-time separation algorithms for the three-index assignment polytope

Linear-time separation algorithms for the three-index assignment polytope

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Article ID: iaor19951481
Country: Netherlands
Volume: 43
Issue: 1
Start Page Number: 1
End Page Number: 12
Publication Date: May 1993
Journal: Discrete Applied Mathematics
Authors: ,
Abstract:

Balas and Saltzman identified several classes of facet inducing inequalities for the three-index assignment polytope, and gave O(n4) separation algorithms for two of them. The authors give O(n3) separation algorithms for these two classes of facets, and also for a third class. Since the three-index assignment problem has n3 variables, these algorithms are linear-time and their complexity is best possible.

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