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Results tagged with noncommutative-algebra
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Non-commutative rings and algebras, non-associative algebras. Can be used in combination with ra.rings-and-algebras
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Can a quotient ring R/J ever be flat over R?
If $R$ is a ring and $J\subset R$ is an ideal, can $R/J$ ever be a flat $R$-module? For algebraic geometers, the question is "can a closed immersion ever be flat?"
The answer is yes: take $J=0$. For a …
