AM  Vol.3 No.7 , July 2012
A Note on Directed 5-Cycles in Digraphs
Abstract: In this note, it is proved that if α≥0.24817, then any digraph on n vertices with minimum outdegree at least αn contains a directed cycle of length at most 5.
Cite this paper: H. Liang and J. Xu, "A Note on Directed 5-Cycles in Digraphs," Applied Mathematics, Vol. 3 No. 7, 2012, pp. 805-808. doi: 10.4236/am.2012.37120.

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