Separating clique trees and bipartition inequalities having a fixed number of handles and teeth in polynomial time

Separating clique trees and bipartition inequalities having a fixed number of handles and teeth in polynomial time

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Article ID: iaor2004668
Country: United States
Volume: 22
Issue: 2
Start Page Number: 257
End Page Number: 265
Publication Date: May 1997
Journal: Mathematics of Operations Research
Authors:
Keywords: programming: travelling salesman
Abstract:

Many important cutting planes have been discovered for the traveling salesman problem. Among them are the clique tree inequalities and the more general bipartition inequalities. Little is known in the way of exact algorithms for separating these inequalities in polynomial time in the size of the fractional point x* which is being separated. An algorithm is presented here that separates bipartition inequalities of a fixed number of handles and teeth, which includes clique tree inequalities of a fixed number of handles and teeth, in polynomial time.

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