## Most recent change of Torus

Edit made on January 16, 2009 by RiderOfGiraffes at 13:34:08

Deleted text in red /
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WW

HEADERS_END

What mathematicians call the shape like a doughnut.

IMG:torus.png

The plural of Torus is Tori (a good scrabble word).

The Four Colour Theorem has its equivalent on the torus. Maps on the torus may require as many as, but never require more than, 7 colours.

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http://en.wikipedia.org/wiki/Torus

http://mathworld.wolfram.com/Torus.html

* http://en.wikipedia.org/wiki/Torus

* http://mathworld.wolfram.com/Torus.html