Erich's Combinatorial Geometry Page
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http://www.stetson.edu/~efriedma/comb.html  


Erich Friedman  
Famous and infamous problems with diagrams and some solutions and proofs. Includes: tree planting problems; circles through points; maximizing squares; triangulating squares; triangulating triangles; lines avoiding squares; lines avoiding points; points in squares (the Heilbronn problem, minimizing maximum rectangles, travelling salesman cycles); and graph theory (large regular planar graphs, regular graphs with large girth).  


Levels:  High School (912), College, Research 
Languages:  English 
Resource Types:  Problems/Puzzles 
Math Topics:  Combinatorics, Graph Theory, Convex/Discrete Geometry 
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