A contraint programming approach to the stable marriage problem

Gent, Ian P., Irving, Robert W., Manlove, David F., Prosser, Patrick and Smith, Barbara M. (2001) A contraint programming approach to the stable marriage problem. In: Principles and Practice of Constraint Programming - CP 2001. Lecture Notes in Computer Science, 2239 . Springer-Verlag, pp. 225-239. ISBN 9783540428633

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Abstract

The Stable Marriage problem (SM) is an extensively-studied combinatorial problem with many practical applications. In this paper we present two encodings of an instance I of SM as an instance J of a Constraint Satisfaction Problem. We prove that, in a precise sense, establishing arc consistency in J is equivalent to the action of the established Extended Gale/Shapley algorithm for SM on I. As a consequence of this, the man-optimal and woman-optimal stable matchings can be derived immediately. Furthermore we show that, in both encodings, all solutions of I may be enumerated in a failure-free manner. Our results indicate the applicability of Constraint Programming to the domain of stable matching problems in general, many of which are NP-hard.

Item Type:	Book Chapter
Additional Information:	7th International Conference, CP 2001, Paphos, Cyprus, November 26 - December 1, 2001, Proceedings
Subjects:	Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Schools:	School of Computing and Engineering
Related URLs:	Author
Depositing User:	Cherry Edmunds
Date Deposited:	30 Oct 2008 11:43
Last Modified:	30 Oct 2008 11:43
URI:	http://eprints.hud.ac.uk/id/eprint/2498

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