Transformation from arbitrary matchings to stable matchings

研究成果: Article

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D. E. Knuth (1976, "Mariages stables," Presses Univ. Montréal, Montreal) conjectured that any matching can be transformed to some stable matching by a sequence of b-interchanges. Given a matching M and a blocking pair (m, w) for M, a b-interchange for M by (m, w) is defined as a transformation from M to a matching obtained by replacing two pairs (m, pM (m)) and (pM (w), w) in M with (m, w) and (pM (w), pM (m)). In this paper, we give a counter-example in which some matching cannot be transformed to any stable matching by b-interchanges. However, any matching can be transformed to some stable matching by using b-interchanges and identifying special cycling. We also give an algorithm to find either such cycling or a stable matching.

元の言語English
ページ(範囲)310-323
ページ数14
ジャーナルJournal of Combinatorial Theory, Series A
62
発行部数2
DOI
出版物ステータスPublished - 1993 3
外部発表Yes

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Discrete Mathematics and Combinatorics
  • Computational Theory and Mathematics

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