Math 2.0

Concept

Chromatic

Summary

Having to do with coloring; see color. Chromatic graph theory is the theory of graph coloring. The chromatic number χ(G)\chi(G) is the minimum number of colors needed in a proper coloring of GG. χ ′(G)\chi\,'(G) is the chromatic index of GG, the minimum number of colors needed in a proper edge coloring of GG.

Further reading

  1. Wikipedia, page 325802, revision 1373839425, Glossary of graph theory, section C. adopted
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