let $R$ be a commutative noetherian ring and let $A$ be an $R$-algebra which is moreover a finitely generated $R$-module. Let $P$ be a prime ideal of $R$. How is the ring structure of the localization $A_P$ defined?
Thanks for the help.
2026-03-29 18:30:42.1774809042
Ring structure of a localization
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