The Four Color Theorem
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Robertson, Sanders, Seymour, Thomas; Georgia Tech  
A brief summary of a new proof of the Four Color Theorem, with a fourcoloring algorithm found by Neil Robertson, Daniel P. Sanders, Paul Seymour and Robin Thomas, illustrated using a map of the United States. Contents: History; Why a new proof?; Outline of the proof; Main features; Configurations; Discharging rules; Pointers; A quadratic algorithm; Discussion; References.  


Levels:  High School (912), College, Research 
Languages:  English 
Resource Types:  Articles 
Math Topics:  Graph Theory, Euclidean Plane Geometry, History and Biography, Geography 
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