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 Date: 2013-03-22 09:36:19Planar graphs Four color theorem Wolfgang Haken Kenneth Appel Reduction Chordal graph Five color theorem Graph theory Mathematics Graph coloring |
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| First Page | Document Content | |
|---|---|---|
Date: 2013-03-22 09:36:19Planar graphs Four color theorem Wolfgang Haken Kenneth Appel Reduction Chordal graph Five color theorem Graph theory Mathematics Graph coloring |
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? Lm.u..C ___flEWe SOLUTION OF THE FOUR COLORPROBLEM