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Matchings in random superpositions of bipartite trees

โœ Scribed by E.M. Palmer


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
540 KB
Volume
41
Category
Article
ISSN
0377-0427

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๐Ÿ“œ SIMILAR VOLUMES


Special parity of perfect matchings in b
โœ Ron Aharoni; Rachel Manber; Bronislaw Wajnryb ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 527 KB

Let G be a bipartite graph in which every edge belongs to some perfect matching, and let D be a subset of its edge set. It is shown that M fl D has the same parity for every perfect matching M if and only if D is a cut, and equivalently if and only. if (G, D) is a balanced signed-graph. This gives n