Authors: Ali Reza Najar Saligheh
First we will prove that Kk (the complete graph with k vertices) is a minor of every graph with chromatic number k. Then we will prove some other statements such as the four color theorem and the Hadwiger conjecture. We will not use computer-assisted proofs.
Comments: 6 Pages. English and French languages.
[v1] 2016-03-15 07:27:51
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