Randomly Eulerian digraphs
Gary Chartrand, Don R. Lick (1971)
Czechoslovak Mathematical Journal
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Gary Chartrand, Don R. Lick (1971)
Czechoslovak Mathematical Journal
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Bravo, Diego, Rada, Juan (2007)
International Journal of Mathematics and Mathematical Sciences
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Yan Ling Shao, Yubin Gao (2009)
Czechoslovak Mathematical Journal
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We consider the primitive two-colored digraphs whose uncolored digraph has vertices and consists of one -cycle and one -cycle. We give bounds on the exponents and characterizations of extremal two-colored digraphs.
Hajo Broersma, Xueliang Li (2002)
Discussiones Mathematicae Graph Theory
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The concept of a line digraph is generalized to that of a directed path graph. The directed path graph Pₖ(D) of a digraph D is obtained by representing the directed paths on k vertices of D by vertices. Two vertices are joined by an arc whenever the corresponding directed paths in D form a directed path on k+1 vertices or form a directed cycle on k vertices in D. In this introductory paper several properties of P₃(D) are studied, in particular with respect to isomorphism and traversability....
Iswadi, Hazrul, Baskoro, Edy Tri (2000)
Bulletin of the Malaysian Mathematical Sciences Society. Second Series
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Pavel Komárek (1986)
Časopis pro pěstování matematiky
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