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Gap inequalities for the max-cut problem: a cutting-plane algorithm

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Publication date2012
Host publicationCombinatorial Optimization: Second International Symposium, ISCO 2012, Athens, Greece, April 19-21, 2012, Revised Selected Papers
EditorsA.R. Mahjoub
Place of PublicationBerlin
Number of pages11
ISBN (Print)9783642321467
<mark>Original language</mark>English

Publication series

NameLecture Notes in Computer Science
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349


Laurent & Poljak introduced a class of valid inequalities for the max-cut problem, called gap inequalities, which include many other known inequalities as special cases. The gap inequalities have received little attention and are poorly understood. This paper presents the first ever computational results. In particular, we describe a cutting-plane scheme based on an effective heuristic separation algorithm for gap inequalities, and show that these yield extremely strong upper bounds in practice.