Characteristic ideal: Difference between revisions
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==Definition== | ==Definition== | ||
Revision as of 09:20, 7 August 2007
This article defines a property of an ideal in a commutative unital ring |View other properties of ideals in commutative unital rings
Definition
An ideal in a commutative unital ring is said to be characteristic if it is invariant under any automorphism of the ring.