Questions tagged [algebraic-analysis]
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Non-finitely generated inverse image over the first Weyl-algebra
Let $A_1$ be the first Weyl-algebra over a field $K$ of characteristic $0$.
Problem:
Let $F:K \to K$ be the polynomial map defined by $F(x) = x^2$. Let $M$ be the algebra $A_1$ considered as a left ...
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