Question

Zariski cotangent space of global sections vs Zariski cotangent space of stalk

score 145 · Answer 1 · 2017-08-08 15:23:02

145

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Zariski cotangent space of global sections vs Zariski cotangent space of stalk

Published on 08 Aug 2017 - 15:23

score 2k · Answer 2 · 2026-03-25 22:10:27

2k

Views

Help understanding closed subschemes and closed immersions

Published on 25 Mar 2026 - 22:10

score 256 · Answer 3 · 2017-08-12 00:11:06

256

Views

Major confusion about sheaves of rings and sheaves of modules on schemes

Published on 12 Aug 2017 - 0:11

score 1.3k · Answer 4 · 2017-08-12 01:14:33

1.3k

Views

Short exact sequence of vector bundles vs locally free sheaves

Published on 12 Aug 2017 - 1:14

score 1.3k · Answer 5 · 2017-08-12 02:38:26

1.3k

Views

Confusion about Notation for Twisting Sheaf and Very Ample Invertible Sheaves

Published on 12 Aug 2017 - 2:38

score 2k · Answer 6 · 2017-08-14 16:00:35

2k

Views

On sheafification and stalks

Published on 14 Aug 2017 - 16:00

score 95 · Answer 7 · 2026-03-26 19:37:36

95

Views

etale sheafification of exact forms

Published on 26 Mar 2026 - 19:37

score 174 · Answer 8 · 2017-08-15 20:05:01

174

Views

For $n>1$ and a ring $R$ s.t. $k[x_1,\dots, x_n]\subset R\subset k(x_1,\dots, x_n)$ is $R$ a localization of $k[x_1,\dots, x_n]$?

Published on 15 Aug 2017 - 20:05

score 1.2k · Answer 9 · 2017-08-18 01:19:36

1.2k

Views

Intuition of local ring $O_{p,X},p\in X$ prime ideals correspondence with subvarieties of variety $X$

Published on 18 Aug 2017 - 1:19

score 152 · Answer 10 · 2017-08-18 11:40:18

152

Views

Understanding schemes, even just $\Bbb A^1_{\Bbb C}$?

Published on 18 Aug 2017 - 11:40

score 763 · Answer 11 · 2017-08-21 11:47:25

763

Views

Sheafification of a presheaf

Published on 21 Aug 2017 - 11:47

score 64 · Answer 12 · 2026-03-28 05:23:14

64

Views

Is $\mathcal{H}om(F,G)\otimes H \to \mathcal{H}om(F,G\otimes H)$ an epimorphism?

Published on 28 Mar 2026 - 5:23

score 2.1k · Answer 13 · 2017-08-22 14:59:47

2.1k

Views

what is restriction of a sheaf?

Published on 22 Aug 2017 - 14:59

score 120 · Answer 14 · 2017-08-23 05:24:27

120

Views

Can we take stalks of morphisms of pre-sheaves in general categories?

Published on 23 Aug 2017 - 5:24

score 107 · Answer 15 · 2026-03-25 12:44:15

107

Views

What is the notation $\mathcal{A}_\infty$ for a sheaf of graded $\mathcal{O}_X$-algebras mean?

Published on 25 Mar 2026 - 12:44

List Question

Zariski cotangent space of global sections vs Zariski cotangent space of stalk

Help understanding closed subschemes and closed immersions

Major confusion about sheaves of rings and sheaves of modules on schemes

Short exact sequence of vector bundles vs locally free sheaves

Confusion about Notation for Twisting Sheaf and Very Ample Invertible Sheaves

On sheafification and stalks

etale sheafification of exact forms

For $n>1$ and a ring $R$ s.t. $k[x_1,\dots, x_n]\subset R\subset k(x_1,\dots, x_n)$ is $R$ a localization of $k[x_1,\dots, x_n]$?

Intuition of local ring $O_{p,X},p\in X$ prime ideals correspondence with subvarieties of variety $X$

Understanding schemes, even just $\Bbb A^1_{\Bbb C}$?

Sheafification of a presheaf

Is $\mathcal{H}om(F,G)\otimes H \to \mathcal{H}om(F,G\otimes H)$ an epimorphism?

what is restriction of a sheaf?

Can we take stalks of morphisms of pre-sheaves in general categories?

What is the notation $\mathcal{A}_\infty$ for a sheaf of graded $\mathcal{O}_X$-algebras mean?

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