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A Colorful Unsolved Problem - Numberphile

2019-02-27

[public] 602K views, 17.6K likes, 184 dislikes audio only

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James Grime on the Hadwiger–Nelson problem.

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Extra footage from this interview: /youtube/video/7nBtRKvUox4

The Four Color Map Theorem: /youtube/video/NgbK43jB4rQ

More on James Grime (you can book him for talks): http://singingbanana.com

More James Grime videos: http://bit.ly/grimevideos

The de Grey paper: https://arxiv.org/abs/1804.02385

A good write up on this topic via Quanta Magazine: https://www.quantamagazine.org/decades-old-graph-problem-yields-to-amateur-mathematician-20180417/

The Marijn Heule counterexample: http://www.cs.utexas.edu/users/marijn/CNP/553.png

More links & stuff in full description below ↓↓↓

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The Four Color Map Theorem - Numberphile by Numberphile
/youtube/video/NgbK43jB4rQ
The Problem with 7825 - Numberphile by Numberphile
/youtube/video/1gBwexpG0IY
A Colorful Problem (extra footage) - Numberphile by Numberphile2
/youtube/video/7nBtRKvUox4
The Four Color Theorem
/youtube/video/niaeV_NHh-o?t=8.1099997
Recap of What the Four Color Theorem
/youtube/video/niaeV_NHh-o?t=13.24
The Hodge Widger Nelson Problem
/youtube/video/niaeV_NHh-o?t=54.939999