List questions from sheaf-theory

Published on 22 May 2017 - 19:00

106

Views

Why the presheaf image of an injective morphism of sheaves is automatically a sheaf?

Published on 28 Mar 2026 - 1:48

50

Views

Maps of presheaves. Aren't they just transpositions?

Published on 30 May 2017 - 11:37

41

Views

Is there a complex analogue of the covering dimension?

Published on 28 Mar 2026 - 1:48

233

Views

How to see this result of restricting and pushing forward a sheaf?

Published on 31 May 2017 - 20:55

406

Views

When the contraction of maximal ideals is an injective open mapping

Published on 04 Apr 2026 - 20:44

266

Views

What is the restriction of the kernel sheaf?

Published on 08 Jun 2017 - 10:01

135

Views

from stalk to open neighborhood

Published on 11 Jun 2017 - 7:04

404

Views

How is a Stack the generalisation of a sheaf from a 2-category point of view?

Published on 01 Apr 2026 - 14:01

1.5k

Views

Locally constant sheaf on a simply connected space

Published on 13 Jun 2017 - 22:54

199

Views

Tensoring a sheaf isomorphism from Hartshorne's Algebraic Geometry

Published on 16 Jun 2017 - 9:04

494

Views

Sheafification of the presheaf of continuous functions between two topological spaces

Published on 17 Jun 2017 - 20:39

195

Views

Geometric picture of sheaf

Published on 18 Jun 2017 - 2:19

50

Views

Is this a sheaf isomorphism?

Published on 19 Jun 2017 - 13:09

70

Views

$Hom(\mathcal{P},\mathcal{P'})$ is additive abelian group for $\mathcal{P},\mathcal{P'}\in pSh(X,Ab)$

Published on 20 Jun 2017 - 0:49

List Question

Sheafification construction - Liu's book

Why the presheaf image of an injective morphism of sheaves is automatically a sheaf?

Maps of presheaves. Aren't they just transpositions?

Is there a complex analogue of the covering dimension?

How to see this result of restricting and pushing forward a sheaf?

When the contraction of maximal ideals is an injective open mapping

What is the restriction of the kernel sheaf?

from stalk to open neighborhood

How is a Stack the generalisation of a sheaf from a 2-category point of view?

Locally constant sheaf on a simply connected space

Tensoring a sheaf isomorphism from Hartshorne's Algebraic Geometry

Sheafification of the presheaf of continuous functions between two topological spaces

Geometric picture of sheaf

Is this a sheaf isomorphism?

$Hom(\mathcal{P},\mathcal{P'})$ is additive abelian group for $\mathcal{P},\mathcal{P'}\in pSh(X,Ab)$

Trending Questions

Popular # Hahtags

Popular Questions