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10.1145/1835698.1835765acmconferencesArticle/Chapter ViewAbstractPublication PagespodcConference Proceedingsconference-collections
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Brief announcement: distributed almost stable marriage

Published: 25 July 2010 Publication History

Abstract

We study the stable marriage problem in a distributed setting. The communication network is a bipartite graph, with men on one side and women on the other. Acceptable partners are connected by edges, and each participant has chosen a linear order on the adjacent nodes, indicating the matching preferences.
The classical Gale-Shapley algorithm could be simulated in such a network to find a stable matching. However, the stable matching problem is inherently global: the worst-case running time of any distributed algorithm is linear in the diameter of the network.
Our work shows that if we tolerate a tiny fraction of unstable edges, then a solution can be found by a fast local algorithm: simply truncating a distributed simulation of the Gale-Shapley algorithm is sufficient. Among others, this shows that an almost stable matching can be maintained efficiently in a very large network that undergoes frequent changes.

References

[1]
Patrik Floréen, Petteri Kaski, Valentin Polishchuk, and Jukka Suomela. Almost stable matchings by truncating the Gale-Shapley algorithm. Algorithmica, 2009. To appear.
[2]
David Gale and Lloyd S. Shapley. College admissions and the stability of marriage. The American Mathematical Monthly, 69(1):9--15, 1962.
[3]
Dan Gusfield and Robert W. Irving. The Stable Marriage Problem: Structure and Algorithms. The MIT Press, Cambridge, MA, USA, 1989.

Cited By

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  • (2013)Convergence in Social Influence NetworksProceedings of the 27th International Symposium on Distributed Computing - Volume 820510.1007/978-3-642-41527-2_30(433-446)Online publication date: 14-Oct-2013

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Published In

cover image ACM Conferences
PODC '10: Proceedings of the 29th ACM SIGACT-SIGOPS symposium on Principles of distributed computing
July 2010
494 pages
ISBN:9781605588889
DOI:10.1145/1835698

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 25 July 2010

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  1. almost stable matching
  2. local algorithm

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  • (2013)Convergence in Social Influence NetworksProceedings of the 27th International Symposium on Distributed Computing - Volume 820510.1007/978-3-642-41527-2_30(433-446)Online publication date: 14-Oct-2013

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