The multiplicity of 1-factors in total graphs (Q1123908)

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scientific article; zbMATH DE number 4110743
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The multiplicity of 1-factors in total graphs
scientific article; zbMATH DE number 4110743

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    The multiplicity of 1-factors in total graphs (English)
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    1988
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    Let H be a connected total graph of order \(2n\geq 6.\) The author shows that H has at least 4n-4 1-factors. He also proves that the multiplicity of 1-factors in H is exactly 4n-4 if and only if H is a total graph of \(K_ 1+(K_ 2\cup \bar K_{n-3}).\)
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    total graph
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    1-factors
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