# Associator

From Encyclopedia of Mathematics

*of three elements $a,b,c$ of a ring $R$*

The element equal to

$$(ab)c-a(bc).$$

It is denoted by $(a,b,c)$.

**How to Cite This Entry:**

Associator.

*Encyclopedia of Mathematics.*URL: http://encyclopediaofmath.org/index.php?title=Associator&oldid=31482

This article was adapted from an original article by K.A. Zhevlakov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article