Geodesic
Group weighted matchings in bipartite graphs
Journal of Algebraic Combinatorics, Tome 4 (1995) no. 2, pp. 165-171.

Voir la notice de l'article dans Electronic Library of Mathematics

Summary: Let G be a bipartite graph with bicoloration A,B,|A|=|B|, and let w:E(G)w(S) = Õ e\~ISw(e)w(S)=∏_e \in S} w(e) . A Perfect matching M Ĩ ∈A, then either G has no w-matchings, or G has at least (d−1)!w-matchings.
Mots-clés : bipartite matching, abelian group 
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     title = {Group weighted matchings in bipartite graphs},
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Aharoni, R.; Meshulam, R.; Wajnryb, B. Group weighted matchings in bipartite graphs. Journal of Algebraic Combinatorics, Tome 4 (1995) no. 2, pp. 165-171. https://geodesic-test.mathdoc.fr/item/JAC_1995__4_2_a1/