- Four Color Theorem, The
A brief summary of a new proof of the Four Color Theorem and a four-coloring algorithm found by Neil Robertson, Daniel P. Sanders, Paul Seymour, and Robin Thomas.
www.math.gatech.edu/~thomas/FC/fourcolor.html
- Four Colour Theorem
History of the first major theorem to be proved using a computer.
www-groups.dcs.st-and.ac.uk/~history/HistTopics/The_four_colour_theorem.htm...
- New Proof of the Four Colour Theorem
Ashay Dharwadker uses Eilenberg modules, Hall matchings, Riemann surfaces, Steiner systems, and a map of Madhya Pradesh, India, to present his proof.
www.dharwadker.org
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