Note on the regular digraphs (Q1063622)

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scientific article; zbMATH DE number 3918398
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Note on the regular digraphs
scientific article; zbMATH DE number 3918398

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    Note on the regular digraphs (English)
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    1985
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    If g(r,n) is the minimum number of vertices in an r-regular digraph having girth n, we have the conjecture: \(r\geq 1\), \(n\geq 2\), \(g(r,n)=r(n- 1)+1\). The author gives two sufficient conditions in which this conjecture is true. One of them is: \(r)\lfloor n/2\rfloor -1)<n.\)
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    regular digraph
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    girth
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