A three-colorable graph is a graph with chromatic number .
Three-Colorable Graph
See also
Bicolorable Graph, Chromatic Number, Chromatic Polynomial, k-Chromatic Graph, k-Colorable Graph, Three-Colorable Knot, Three-Colorable Map, Triangle-Free Graph, Uniquely k-Colorable GraphExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Three-Colorable Graph." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Three-ColorableGraph.html