List questions from sheaf-theory

Published on 19 Aug 2013 - 15:29

241

Views

Typo or additional hypotheses needed in problem 5, p.71 of Bredon's Topology and Geometry?

Published on 20 Aug 2013 - 19:39

296

Views

supple, non flabby sheaf

Published on 24 Aug 2013 - 19:28

927

Views

Etale spaces of a presfeaf and the associated sheaf

Published on 24 Aug 2013 - 19:56

188

Views

Questions about the constant sheaf.

Published on 29 Aug 2013 - 2:40

357

Views

Every $\mathbb{P}^n$-bundle is a $\mathbb{P}(\mathscr{E})$

Published on 28 Mar 2026 - 20:51

91

Views

Questions about a natural map: $f^{-1}f_{*}\mathcal{F} \to \mathcal{F}$.

Published on 23 Feb 2026 - 20:43

1.5k

Views

Chern character of a sheaf with support of given dimension

Published on 27 Mar 2026 - 12:07

245

Views

Questions about sheaves of $\mathcal{O}_X$ modules.

Published on 31 Aug 2013 - 12:40

276

Views

Ringed space: interpretation of quotient.

Published on 04 Sep 2013 - 9:48

351

Views

Proving that the kernel of a presheaf morphism is a subpresheaf

Published on 06 Sep 2013 - 4:09

209

Views

Cohomology of $\mathcal O(k)$

Published on 26 Mar 2026 - 4:34

60

Views

Why this is, in fact, a section?

Published on 11 Sep 2013 - 15:14

8.4k

Views

Global sections of a tensor product of vector bundles on a smooth manifold

Published on 03 Apr 2026 - 20:55

22

Views

A question about how we get from PreSheaves of X to those of Y - why is $f_{*}F(V) = F(f^{t}(V)) \in PSh(k_Y)$

Published on 15 Sep 2013 - 17:38

List Question

A functional structure on the graph of the absolute value function

Typo or additional hypotheses needed in problem 5, p.71 of Bredon's Topology and Geometry?

supple, non flabby sheaf

Etale spaces of a presfeaf and the associated sheaf

Questions about the constant sheaf.

Every $\mathbb{P}^n$-bundle is a $\mathbb{P}(\mathscr{E})$

Questions about a natural map: $f^{-1}f_{*}\mathcal{F} \to \mathcal{F}$.

Chern character of a sheaf with support of given dimension

Questions about sheaves of $\mathcal{O}_X$ modules.

Ringed space: interpretation of quotient.

Proving that the kernel of a presheaf morphism is a subpresheaf

Cohomology of $\mathcal O(k)$

Why this is, in fact, a section?

Global sections of a tensor product of vector bundles on a smooth manifold

A question about how we get from PreSheaves of X to those of Y - why is $f_{*}F(V) = F(f^{t}(V)) \in PSh(k_Y)$

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