The kernel of a ring homomorphism is the set of all elements of which are mapped to zero. It is the kernel of as a homomorphism of additive groups. It is an ideal of .
Ring Kernel
See also
Group Kernel, Ring HomomorphismThis entry contributed by Margherita Barile
Explore with Wolfram|Alpha
Cite this as:
Barile, Margherita. "Ring Kernel." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/RingKernel.html