Formal Statement
For any connected undirected graph G with maximum degree Δ, the chromatic number of G is at most Δ unless G is a clique or an odd cycle, in which case the chromatic number is Δ + 1.
Read more about this topic: Brooks' Theorem
Famous quotes containing the words formal and/or statement:
“On every formal visit a child ought to be of the party, by way of provision for discourse.”
—Jane Austen (17751817)
“He has the common feeling of his profession. He enjoys a statement twice as much if it appears in fine print, and anything that turns up in a footnote ... takes on the character of divine revelation.”
—Margaret Halsey (b. 1910)