Question

On the translation between a morphism of schemes and its geometric description

score 340 · Answer 1 · 2018-08-30 16:24:37

340

Views

On the translation between a morphism of schemes and its geometric description

Published on 30 Aug 2018 - 16:24

score 309 · Answer 2 · 2026-03-25 11:20:05

309

Views

Action by automorphism group of a ring $R$ on $\mathrm{Spec}(R)$

Published on 25 Mar 2026 - 11:20

score 46 · Answer 3 · 2026-03-22 12:47:17

46

Views

Projective Nullstellensatz and regular rings

Published on 22 Mar 2026 - 12:47

score 969 · Answer 4 · 2026-03-25 14:13:54

969

Views

Why does a flat finite type morphism of irreducible noetherian schemes map generic pt to generic pt

Published on 25 Mar 2026 - 14:13

score 208 · Answer 5 · 2018-09-16 11:21:59

208

Views

Example of a ring with unique prime ideal of a given height

Published on 16 Sep 2018 - 11:21

score 66 · Answer 6 · 2026-03-22 20:20:46

66

Views

Constructing a group scheme associated to a coherent module.

Published on 22 Mar 2026 - 20:20

score 269 · Answer 7 · 2018-09-18 08:29:59

269

Views

Geometric role of Zariski's main theorem in structure theory of smooth, unramified, and étale morphisms

Published on 18 Sep 2018 - 8:29

score 319 · Answer 8 · 2018-09-21 20:08:34

319

Views

Are morphisms of schemes determined by morphisms of $A$-valued points where $A$ is an affine scheme?

Published on 21 Sep 2018 - 20:08

score 69 · Answer 9 · 2026-03-25 09:26:36

69

Views

A lemma about standard open sets of a scheme.

Published on 25 Mar 2026 - 9:26

score 1.5k · Answer 10 · 2018-09-22 22:09:15

1.5k

Views

Smooth and Regular Schemes

Published on 22 Sep 2018 - 22:09

score 116 · Answer 11 · 2018-09-23 16:15:15

116

Views

Fibered product of Étale morphisms

Published on 23 Sep 2018 - 16:15

score 59 · Answer 12 · 2018-09-24 11:34:27

59

Views

Compatibility of $f^*$ and $\mathbb{V}$.

Published on 24 Sep 2018 - 11:34

score 593 · Answer 13 · 2018-09-24 22:13:59

593

Views

Intuition behind the notion of proper morphisms in algebraic geometry

Published on 24 Sep 2018 - 22:13

score 81 · Answer 14 · 2026-03-24 23:48:10

81

Views

Zariski Tangent space to the circle $x^2 + y^2 = 5$ at the point $(2,1)$

Published on 24 Mar 2026 - 23:48

score 111 · Answer 15 · 2026-03-25 06:20:59

111

Views

Flat affine group scheme $G$ over $\mathbb{Z}$ arises from embedding generic fiber $G_{\mathbb{Q}}$ into $GL_{n,\mathbb{Q}}$.

Published on 25 Mar 2026 - 6:20

List Question

On the translation between a morphism of schemes and its geometric description

Action by automorphism group of a ring $R$ on $\mathrm{Spec}(R)$

Projective Nullstellensatz and regular rings

Why does a flat finite type morphism of irreducible noetherian schemes map generic pt to generic pt

Example of a ring with unique prime ideal of a given height

Constructing a group scheme associated to a coherent module.

Geometric role of Zariski's main theorem in structure theory of smooth, unramified, and étale morphisms

Are morphisms of schemes determined by morphisms of $A$-valued points where $A$ is an affine scheme?

A lemma about standard open sets of a scheme.

Smooth and Regular Schemes

Fibered product of Étale morphisms

Compatibility of $f^*$ and $\mathbb{V}$.

Intuition behind the notion of proper morphisms in algebraic geometry

Zariski Tangent space to the circle $x^2 + y^2 = 5$ at the point $(2,1)$

Flat affine group scheme $G$ over $\mathbb{Z}$ arises from embedding generic fiber $G_{\mathbb{Q}}$ into $GL_{n,\mathbb{Q}}$.

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