Answers are grounded in this paper and cite their sources.
In another paper, L,3 the author has given a proof of a formula for M(λ), the number of ways of coloring a graph in λ colors, due to Birkhoff. The numbers m ij , in terms of which M(λ) is expressed, are here studied in detail; a method of calculating them is given.
No takes yet. Share an insight, caveat, or question.
Hassler Whitney (1932) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: