chromatic number

[krō′mad·ik ′nəm·bər] (mathematics) For a specified surface, the smallest number n such that for any decomposition of the surface into regions the regions can be colored with n colors in such a way that no two adjacent regions have the same color.

chromatic number

(mathematics)The smallest number of colours necessary tocolour the nodes of a graph so that no two adjacent nodeshave the same colour.

See also: four colour map theorem.

Graph Theory Lessons.

Eric Weisstein's World Of Mathematics.

The Geometry Center.

单词	chromatic number
释义	chromatic number chromatic number [krō′mad·ik ′nəm·bər] (mathematics) For a specified surface, the smallest number n such that for any decomposition of the surface into regions the regions can be colored with n colors in such a way that no two adjacent regions have the same color. chromatic number (mathematics)The smallest number of colours necessary tocolour the nodes of a graph so that no two adjacent nodeshave the same colour. See also: four colour map theorem. Graph Theory Lessons. Eric Weisstein's World Of Mathematics. The Geometry Center.
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