List questions from quasicoherent-sheaves

Published on 09 May 2017 - 14:55

442

Views

If a finite type quasicoherent sheaf is globally generated at a point, it is globally generated in a neighborhood of that point.

Published on 13 May 2017 - 17:47

366

Views

Invertible sheaf such that for any point there exists a global section not vanishing at that point

Published on 14 May 2017 - 16:27

894

Views

Global sections on quasi coherent sheaves on affine scheme

Published on 15 Jul 2017 - 17:59

573

Views

Quasi coherent sheaves restricted to affine open subsets

Published on 17 Jul 2017 - 20:02

249

Views

Trying to understand vector bundles on manifolds via locally free sheaves

Published on 23 Feb 2026 - 10:49

640

Views

Extending the adjunction between the global section functor of a quasicoherent sheaf with module sheafification

Published on 23 Oct 2017 - 5:24

104

Views

How to get explicit descriptions of morphisms of sheaves from a known adjunction of functors?

Published on 08 Nov 2017 - 22:35

347

Views

Showing properties of inverse and direct image of quasicoherent sheaves via Yoneda's lemma

Published on 12 Nov 2017 - 20:46

379

Views

Why are the global sections of structure sheaf of Proj$S$ just the homogenous elements of $S$?

Published on 25 Mar 2026 - 21:54

1.7k

Views

Classifying Quasi-coherent Sheaves on Projective Schemes

Published on 25 Mar 2026 - 21:47

377

Views

Cohomological decomposition of tensor sheaves?

Published on 22 Mar 2026 - 3:06

2.4k

Views

Arbitrary products of quasi-coherent sheaves?

Published on 28 Jul 2011 - 21:41

252

Views

exact sequence of sheaves

Published on 22 Mar 2026 - 10:51

839

Views

First Ext group of a sheaf

Published on 22 Mar 2026 - 13:45

List Question

Two definitions of $\mathcal{O}_{\mathbb{P}^{n}}(l)$

If a finite type quasicoherent sheaf is globally generated at a point, it is globally generated in a neighborhood of that point.

Invertible sheaf such that for any point there exists a global section not vanishing at that point

Global sections on quasi coherent sheaves on affine scheme

Quasi coherent sheaves restricted to affine open subsets

Trying to understand vector bundles on manifolds via locally free sheaves

Extending the adjunction between the global section functor of a quasicoherent sheaf with module sheafification

How to get explicit descriptions of morphisms of sheaves from a known adjunction of functors?

Showing properties of inverse and direct image of quasicoherent sheaves via Yoneda's lemma

Why are the global sections of structure sheaf of Proj$S$ just the homogenous elements of $S$?

Classifying Quasi-coherent Sheaves on Projective Schemes

Cohomological decomposition of tensor sheaves?

Arbitrary products of quasi-coherent sheaves?

exact sequence of sheaves

First Ext group of a sheaf

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