# Commutative ring

From Encyclopedia of Mathematics

A ring the multiplication of which is commutative (cf. Commutativity). The theory of associative-commutative rings with a unit is called commutative algebra. An example of an non-associative commutative ring is a Jordan ring (see Jordan algebra).

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Commutative ring.

*Encyclopedia of Mathematics.*URL: http://encyclopediaofmath.org/index.php?title=Commutative_ring&oldid=18880

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