Unsolved problems on perfect graphs, a collection for people with at least a basic knowledge of the subject. Contents include: Perfection of special classes of Berge graphs; Recognition of special classes of Berge...
An extensive annotated list of links to material on many-dimensional geometry.
A unit that introduces elementary ideas included in probability theory, defining important words and ideas, presenting formulas for solving problems, and discussing permutations, combinations, and compound probability....
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