Robert D. Girse, Richard A. Gillman, "Homomorphisms and related contractions of graphs", International Journal of Mathematics and Mathematical Sciences, vol. 11, Article ID 798179, 6 pages, 1988. https://doi.org/10.1155/S0161171288000146
Homomorphisms and related contractions of graphs
For every homomorphism of a graph there exists a contraction on , the complement of . Here we study the graph equation . In the course of our work we show that Hadwiger's Conjecture is true for every self-complementary graph.
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