Ring Kernel

The kernel of a ring homomorphism f:R-->S is the set of all elements of R which are mapped to zero. It is the kernel of f as a homomorphism of additive groups. It is an ideal of R.

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This entry contributed by Margherita Barile

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Barile, Margherita. "Ring Kernel." From MathWorld--A Wolfram Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/RingKernel.html

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