The dichromatic number of a digraph. (English) Zbl 0506.05031


05C15 Coloring of graphs and hypergraphs
05C20 Directed graphs (digraphs), tournaments


Zbl 0151.337
Full Text: DOI


[1] Dirac, G.A, The structure of k-chromatic graphs, Fund. math., 40, 42-55, (1953) · Zbl 0053.13102
[2] Erdös, P, Problems and results in number theory and graph theory, (), 3-21
[3] Erdös, P; Hajnal, A, On chromatic numbers of graphs and set-systems, Acta math. acad. sci. hungar., 17, 61-99, (1966) · Zbl 0151.33701
[4] {\scP. Erdös and V. Neumann-Lara}, On the dichromatic number of a graph, in preparation. · Zbl 0575.05031
[5] Harary, F, ()
[6] Harary, F; Norman, R.Z; Cartwright, D, ()
[7] {\scV. Neumann-Lara}, On the generalized dichromatic number of a digraph, in preparation. · Zbl 0575.05031
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