Question

Is there a definition of morphism of gluing data of schemes that makes gluing an adjoint functor?

score 363 · Answer 1 · 2026-03-25 06:30:23

363

Views

Is there a definition of morphism of gluing data of schemes that makes gluing an adjoint functor?

Published on 25 Mar 2026 - 6:30

score 651 · Answer 2 · 2026-02-23 01:22:11

651

Views

Scheme-theoretic Preimage and Fibered Product of Schemes

Published on 23 Feb 2026 - 1:22

score 284 · Answer 3 · 2026-03-25 06:11:01

284

Views

Restriction section of a sheaf to a closed set?

Published on 25 Mar 2026 - 6:11

score 43 · Answer 4 · 2019-02-07 15:06:20

43

Views

Is $U\times_SY$ dense in $X\times_SY$?

Published on 07 Feb 2019 - 15:06

score 45 · Answer 5 · 2019-02-07 17:34:59

45

Views

How to show the image of $U$ in $X'$ is dense?

Published on 07 Feb 2019 - 17:34

score 215 · Answer 6 · 2026-03-25 09:43:42

215

Views

$Spec(R)$ is irreducible if and only if $Spec(R[T])$ is irreducible

Published on 25 Mar 2026 - 9:43

score 41 · Answer 7 · 2026-03-25 04:43:45

41

Views

Let $k$ a field, $k'$ a subfield, and $A$ any associative $k$-algebra. Can a quotient of $A$ ever yield $k'$?

Published on 25 Mar 2026 - 4:43

score 122 · Answer 8 · 2026-03-25 14:26:11

122

Views

A doubt on Proposition 5.1.12 of Liu's Algebraic geometry and arithmetic curves.

Published on 25 Mar 2026 - 14:26

score 878 · Answer 9 · 2026-03-25 09:34:46

878

Views

Affine $n$-space over a scheme

Published on 25 Mar 2026 - 9:34

score 536 · Answer 10 · 2019-02-11 22:02:18

536

Views

Geometric Intuition behind Flatness

Published on 11 Feb 2019 - 22:02

score 1.4k · Answer 11 · 2026-03-25 06:12:15

1.4k

Views

What is a rational section of an invertible sheaf?

Published on 25 Mar 2026 - 6:12

score 71 · Answer 12 · 2019-02-12 16:41:45

71

Views

Flat Morphism between Schemes

Published on 12 Feb 2019 - 16:41

score 188 · Answer 13 · 2019-02-15 18:28:30

188

Views

Unnecessary premises in proposition about base change (Görtz-Wedhorn)

Published on 15 Feb 2019 - 18:28

score 34 · Answer 14 · 2026-03-25 14:25:52

34

Views

Why is it that two O_Y-modules are isomorphic if their Hom-sets to any fixed O_Y-module are always isomorphic?

Published on 25 Mar 2026 - 14:25

score 19 · Answer 15 · 2026-03-25 09:43:07

19

Views

If $Y$ is an affine scheme, and $G$ is an $O_Y$-module, then why is $\operatorname{Hom}_{\operatorname{Mod}(Y)}(O_Y, G)\cong G(Y)$?

Published on 25 Mar 2026 - 9:43

List Question

Is there a definition of morphism of gluing data of schemes that makes gluing an adjoint functor?

Scheme-theoretic Preimage and Fibered Product of Schemes

Restriction section of a sheaf to a closed set?

Is $U\times_SY$ dense in $X\times_SY$?

How to show the image of $U$ in $X'$ is dense?

$Spec(R)$ is irreducible if and only if $Spec(R[T])$ is irreducible

Let $k$ a field, $k'$ a subfield, and $A$ any associative $k$-algebra. Can a quotient of $A$ ever yield $k'$?

A doubt on Proposition 5.1.12 of Liu's Algebraic geometry and arithmetic curves.

Affine $n$-space over a scheme

Geometric Intuition behind Flatness

What is a rational section of an invertible sheaf?

Flat Morphism between Schemes

Unnecessary premises in proposition about base change (Görtz-Wedhorn)

Why is it that two O_Y-modules are isomorphic if their Hom-sets to any fixed O_Y-module are always isomorphic?

If $Y$ is an affine scheme, and $G$ is an $O_Y$-module, then why is $\operatorname{Hom}_{\operatorname{Mod}(Y)}(O_Y, G)\cong G(Y)$?

Trending Questions

Popular # Hahtags

Popular Questions