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# Tag Archives: 4 color theorem

## Four color theorem: what next?

The algorithm I use to color graphs works pretty well … BUT: Sometimes (very rarely) it gets into an infinite loop where also random Kempe color switches (around the entire graph) do NOT work. The good is, if I reprocess … Continue reading

Posted in math
Tagged 4 color theorem, coloring, four color theorem, Kempe, Kenneth Appel
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