In mathematics, a Kempe chain is a device used mainly in the study of the four colour theorem.
Read more about Kempe Chain: History, Formal Definition, Other Applications
Famous quotes containing the word chain:
“We are all bound to the throne of the Supreme Being by a flexible chain which restrains without enslaving us. The most wonderful aspect of the universal scheme of things is the action of free beings under divine guidance.”
—Joseph De Maistre (1753–1821)