Francis Guthrie's approach to The Four Color Problem
General Mathematics
2018-04-16 v1
Abstract
The odd wheel is the only type of 4-critical graph in which one vertex always gets a unique color. This supports Frederic Guthrie's approach to the Four Color Problem.
Cite
@article{arxiv.1804.04658,
title = {Francis Guthrie's approach to The Four Color Problem},
author = {Asbjørn Brændeland},
journal= {arXiv preprint arXiv:1804.04658},
year = {2018}
}
Comments
4 pages, 9 figures