Topic
conductor.
in ring theory, a measurement of how far apart a commutative ring and an extension ring are
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About conductor
In ring theory, a branch of mathematics, the conductor is a measurement of how far apart a commutative ring and an extension ring are. Most often, the larger ring is a domain integrally closed in its field of fractions, and then the conductor measures the failure of the smaller ring to be integrally closed.
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