Difference between revisions of "Center of a ring"

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(New page: <noinclude> </noinclude> '''Center of a ring''': The set of those elements of a (usually u...)
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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