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Results tagged with singularity-theory
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user 13647
Singularities in algebraic/complex/differential geometry and analysis of ODEs/PDEs. Singular spaces, vector fields, etc.
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on a characterisation of regular D-modules
I don't think so. Here's a possible counter example.
Take $X=\mathbb{A}^1_\mathbb{C}$, $M=(\mathcal{O}_X,\nabla)$ where $\nabla(f)=df-fdz$, $z$ being the co-ordinate on $\mathbb{A}^1_\mathbb{C}$. The …
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