- From: Jeff de la Beaujardiere <delabeau@iniki.gsfc.nasa.gov>
- Date: Tue, 10 Jun 1997 10:33:36 -0400
- To: colin@bespin.demon.co.uk
- CC: www-html@w3.org
Colin F Reynolds writes: > Don't most area maps use four colo(u)rs, that being the maximum number of > colors required to assure that no two adjacent regions bear the same > color? Four is the *minimum*, which is probably what you meant to write. Interestingly, this conjecture took over a century to prove, and the proof requires an entire book (see http://www.math.utah.edu/~alfeld/math/4color.html). But I digress... --Jeff = J-F Pitot de La Beaujardiere = delabeau@iniki.gsfc.nasa.gov = http://globe2.gsfc.nasa.gov/
Received on Tuesday, 10 June 1997 10:33:27 UTC