English

A Simple Proof of the Four-Color Theorem

General Mathematics 2007-05-23 v1

Abstract

A simpler proof of the four color theorem is presented. The proof was reached using a series of equivalent theorems. First the maximum number of edges of a planar graph is obatined as well as the minimum number of edges for a complete graph. Then it is shown that for the theorem to be false there must exist a complete planar graph of hh edges such that h>4h>4. Finally the theorem is proved to be true by showing that there does not exist a complete planar graph with h>4h>4.

Keywords

Cite

@article{arxiv.math/0207061,
  title  = {A Simple Proof of the Four-Color Theorem},
  author = {Fayez A. Alhargan},
  journal= {arXiv preprint arXiv:math/0207061},
  year   = {2007}
}

Comments

4pages, 2 figures

R2 v1 2026-07-22T16:46:31.807Z