# Four color theorem/Related Articles

From Citizendium, the Citizens' Compendium

*See also changes related to Four color theorem, or pages that link to Four color theorem or to this page or whose text contains "Four color theorem".*

## Parent topics

- Graph theory [r]: Field of mathematics studying graphs, which consist of nodes and arcs joining the nodes.
^{[e]} - Graph coloring [r]: Graph labelling, which assigns labels traditionally called 'colours' to elements of a graph subject to certain constraints.
^{[e]} - Planar graph [r]:
*Add brief definition or description* - Map coloring [r]:
*Add brief definition or description*

## Subtopics

- Critical graph [r]:
*Add brief definition or description* - Kempe chain [r]:
*Add brief definition or description*