Moore graphs and beyond: a survey of the degree/diameter problem.
Miller, Mirka, Širáň, Jozef (2005)
The Electronic Journal of Combinatorics [electronic only]
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Miller, Mirka, Širáň, Jozef (2005)
The Electronic Journal of Combinatorics [electronic only]
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Ferdinand Gliviak (2000)
Mathematica Bohemica
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The paper gives an overview of results for radially minimal, critical, maximal and stable graphs and digraphs.
Johns, Garry, Sleno, Karen (1993)
International Journal of Mathematics and Mathematical Sciences
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Pavel Komárek (1984)
Časopis pro pěstování matematiky
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Branković, Ljiljana, Miller, Mirka, Plesník, Ján, Ryan, Joe, Širáň, Jozef (1998)
The Electronic Journal of Combinatorics [electronic only]
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Martin Sonntag, Hanns-Martin Teichert (2016)
Discussiones Mathematicae Graph Theory
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If D = (V, A) is a digraph, its competition graph (with loops) CGl(D) has the vertex set V and {u, v} ⊆ V is an edge of CGl(D) if and only if there is a vertex w ∈ V such that (u, w), (v, w) ∈ A. In CGl(D), loops {v} are allowed only if v is the only predecessor of a certain vertex w ∈ V. For several products D1 ⚬ D2 of digraphs D1 and D2, we investigate the relations between the competition graphs of the factors D1, D2 and the competition graph of their product D1 ⚬ D2.