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Theorem: Four Color Theorem for Planar Graphs

Let $G$ be a simple, connected, planar graph. Then the chromatic number of $G$ obeys the following inequality $$\chi(G)\le 4.$$

Table of Contents

Proofs: 1

Mentioned in:

Theorems: 1

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References

Bibliography

  1. Aldous Joan M., Wilson Robin J.: "Graphs and Applications - An Introductory Approach", Springer, 2000