Eulerian matroid

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Edge coloring — A 3 edge coloring of the Desargues graph. In graph theory, an edge coloring of a graph is an assignment of “colors” to the edges of the graph so that no two adjacent edges have the same color. For example, the figure to the right shows an edge… … Wikipedia
Convex polytope — A 3 dimensional convex polytope A convex polytope is a special case of a polytope, having the additional property that it is also a convex set of points in the n dimensional space Rn.[1] Some authors use the terms convex polytope and convex… … Wikipedia
Crispin St. J. A. Nash-Williams — Crispin St. John Alvah Nash Williams (December 19, 1932 January 20, 2001) was a British and Canadian mathematician. His research interest was in the field of discrete mathematics, especially graph theory.Nash Williams was born December 19, 1932,… … Wikipedia
Crispin Nash-Williams — Born December 19, 1932(1932 12 19) Cardiff, Wales Died January 20, 2001(2001 01 20) (aged 68) … Wikipedia

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