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Complexity results for the gap inequalities for the max-cut problem

Galli, Laura and Kaparis, Konstantinos and Letchford, A N (2012) Complexity results for the gap inequalities for the max-cut problem. Operations Research Letters, 40 (3). pp. 149-152. ISSN 0167-6377

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Abstract

We prove several complexity results about the gap inequalities for the max-cut problem, including (i) the gap-1 inequalities do not imply the other gap inequalities, unless NP=Co NP; (ii) there must exist non-redundant gap inequalities with exponentially large coefficients, unless NP=Co NP; (iii) the associated separation problem can be solved in finite (doubly exponential) time.

Item Type: Article
Journal or Publication Title: Operations Research Letters
Additional Information: This is the 2nd of two papers on "gap inequalities". The other, already published in OR Letters in 2011, was entitled " Gap inequalities for non-convex mixed-integer quadratic programs".
Uncontrolled Keywords: computational complexity ; max-cut problem ; cutting planes
Subjects: H Social Sciences > HB Economic Theory
Departments: Lancaster University Management School > Management Science
ID Code: 51074
Deposited By: ep_importer_pure
Deposited On: 04 Nov 2011 16:06
Refereed?: Yes
Published?: Published
Last Modified: 21 Aug 2017 02:08
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/51074

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