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New posts in Ring Homomorphism
What is an Homomorphism/Isomorphism "Saying"?
May 01, 2021
Let $R$ be a commutative Noetherian ring (with unity), and let $I$ be an ideal of $R$ such that $R/I \cong R$. Then is $I=(0)$?
Apr 30, 2021
Showing two ring homomorphisms that agree on the integers must agree on the rationals
Apr 25, 2021
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