List questions from coherent-sheaves

Published on 29 Sep 2020 - 8:40

179

Views

How to glue the sheaf of differentials on a scheme

Published on 21 Oct 2020 - 6:29

125

Views

Example on coherent scheme but not noetherian, $\mathrm{Spec}\underset{n \in \mathbb{N}}{\cup}k[[t^{\frac{1}{n}}]]$.

Published on 03 Nov 2020 - 13:50

60

Views

In what condition $\operatorname{Hom}(E,F)$ is of finite dimension?

Published on 09 Nov 2020 - 23:37

159

Views

Coherent sheaves on a noetherian affine scheme are always globally generated?

Published on 13 Nov 2020 - 4:29

143

Views

Indecomposability and $\mu$-stability for vector bundles

Published on 13 Nov 2020 - 12:14

722

Views

Motivation behind the sheaf of relative Kähler differentials

Published on 16 Nov 2020 - 1:43

106

Views

Functorial and exact extensions of coherent sheaves.

Published on 28 Nov 2020 - 22:52

67

Views

Mistake in derived category computation

Published on 10 Dec 2020 - 21:37

263

Views

If a global morphism of sheaves induces isomorphisms on fibers, then is it an isomorphism?

Published on 26 Mar 2026 - 14:35

24

Views

Exterior Product on Logarithmic 1-Forms

Published on 26 Mar 2026 - 10:58

297

Views

Restricting split short exact sequence of quasi-coherent sheaves to their coherent sub-sheaves.

Published on 21 Mar 2026 - 17:31

212

Views

When is a section of a coherent sheaf that vanishes in the fiber zero?

Published on 21 Jan 2021 - 12:52

40

Views

Effect of square integrable Chern curvature on underlying bundle

Published on 27 Jan 2021 - 15:45

260

Views

Canonical bundle and skyscraper sheaf

Published on 21 Mar 2026 - 20:56

List Question

Künneth formula for scheme over product of varieties

How to glue the sheaf of differentials on a scheme

Example on coherent scheme but not noetherian, $\mathrm{Spec}\underset{n \in \mathbb{N}}{\cup}k[[t^{\frac{1}{n}}]]$.

In what condition $\operatorname{Hom}(E,F)$ is of finite dimension?

Coherent sheaves on a noetherian affine scheme are always globally generated?

Indecomposability and $\mu$-stability for vector bundles

Motivation behind the sheaf of relative Kähler differentials

Functorial and exact extensions of coherent sheaves.

Mistake in derived category computation

If a global morphism of sheaves induces isomorphisms on fibers, then is it an isomorphism?

Exterior Product on Logarithmic 1-Forms

Restricting split short exact sequence of quasi-coherent sheaves to their coherent sub-sheaves.

When is a section of a coherent sheaf that vanishes in the fiber zero?

Effect of square integrable Chern curvature on underlying bundle

Canonical bundle and skyscraper sheaf

Trending Questions

Popular # Hahtags

Popular Questions