Four Color Theorem

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|ImageDescElem=How many colors are needed to color the territories of a map, if all the territories that share a border must be of different colors?
|ImageDescElem=How many colors are needed to color the territories of a map, if all the territories that share a border must be of different colors?
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This simple question has resulted in much mathematical difficulty, particularly
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It turns out that only four colors are needed to color such a two-dimensional map. It has taken over a century for a correct proof of this fact to emerge, and the proof can currently only be carried out with the aid of computers.
|AuthorName=Brendan John
|AuthorName=Brendan John

Revision as of 14:26, 3 June 2009

Image:inprogress.png

Four Color

Four coloring and graph representation of the United States.


Basic Description

How many colors are needed to color the territories of a map, if all the territories that share a border must be of different colors?

It turns out that only four colors are needed to color such a two-dimensional map. It has taken over a century for a correct proof of this fact to emerge, and the proof can currently only be carried out with the aid of computers.





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