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For questions about torsion theories in abelian categories and related concepts.

5 votes

Definition of torsion sheaf on reducible spaces

Hi Stefan! Torsion-free (coherent) sheaves are pure sheaves of codimension 0; I suggest that you try "The Geometry of Moduli Spaces of Sheaves", by Daniel Huybrechts and Manfred Lehn, where pure sheav …
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