UNIVERSITY of GLASGOW

Computing at Glasgow University
 
Paper ID: 8285
DCS Tech Report Number: TR-2006-225

The cycle roommates problem: a hard case of kidney exchange
Irving,R.W.

Publication Type: Tech Report (internal)
Appeared in: DCS Technical Report Series
Page Numbers :
Publisher: Dept of Computing Science, University of Glasgow
Year: 2006
Abstract:

Recently, a number of interesting algorithmic problems have arisen from the emergence, in a number of countries, of kidney exchange schemes, whereby live donors are matched with recipients according to compatibility and other considerations. One such problem can be modeled by a variant of the well-known stable roommates problem in which blocking cycles, as well as the normal blocking pairs, are significant. We show here that this variant of the stable roommates problem is NP-complete, thus solving an open question posed by Cechlarova and Lacko.

Keywords: Matching; stability; NP-complete problems


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