Tag Archives: Erdos-Hajnal graphs

The chromatic numbers of the Erdos-Hajnal graphs

Recall that a coloring c:Gκ of an (undirected) graph (G,E) is said to be chromatic if c(v1)c(v2) whenever {v1,v2}E. Then, the chromatic number of a graph (G,E) is the least cardinal κ for which there exists a chromatic … Continue reading

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