chromatic number

<mathematics>

The smallest number of colours necessary to colour the nodes of a graph so that no two adjacent nodes have the same colour.

See also: four colour map theorem.

Graph Theory Lessons.

Eric Weisstein's World Of Mathematics.

The Geometry Center.

Last updated: 2000-03-18

Nearby terms:

Christmas tree packetChristopher Stracheychromatic numberchromechroot

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