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This tag is used if a reference is needed in a paper or textbook on a specific result.

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Characterisation of coherent sheaves on an algebraic variety

This is false. Every sheaf in that class would have zero first Chern class, since $c_1$ is additive over short exact sequences.
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1 vote

Reference request: is the punctual Hilbert scheme irreducible?

(I cannot post comments, regard this as one.) It was correctly suggested in the comments to damiano's answer that the case of dimension d=2 was settled in the 70s, here are references: I believe th …
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