4 Color Theorem on Mobius Band @DrWeselcouch
4 Color Theorem on Mobius Band  @DrWeselcouch
Uploaded April 2021 | Updated September 2026, 5 minutes ago
We show that the 4 Color Theorem doesn't hold if the map is on a Mobius Band. We show this by constructing a 6 color mobius band.

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4 Color Theorem on Mobius Band

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