Difference between revisions of "Center of a ring"
(New page: <noinclude> </noinclude> '''Center of a ring''': The set of those elements of a (usually u...)
Latest revision as of 17:53, 20 January 2009
Center of a ring: The set of those elements of a (usually unital) ring that commute with every element of the ring. The center of a ring is a subring; for a unital ring, it is a subring containing the multiplicative identity.
Primary subject wiki entry: Noncommutative:Center of a ring