Combinatorics of perfect matchings in pl
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J.C. Fournier
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Article
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2003
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Elsevier Science
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English
β 737 KB
Let G be a plane bipartite graph which admits a perfect matching and with distinguished faces called holes. Let MG denote the perfect matchings graph: its vertices are the perfect matchings of G, two of them being joined by an edge, if and only if they di er only on an alternating cycle bounding a f