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A renewal approach to prove the Four Color Theorem unplugged, Part II: R/G/B Kempe chains in an extremum non-4-colorable MPG. (arXiv:2309.09999v1 [math.CO]) http://arxiv.org/abs/2309.09999
A renewal approach to prove the Four Color Theorem unplugged, Part II: R/G/B Kempe chains in an extremum non-4-colorable MPG. (arXiv:2309.09999v1 [math.CO]) http://arxiv.org/abs/2309.09999