Question

Blow up of $V(x^2 - y^2 + x^3) \subset \operatorname{Spec}k[x,y]$

score 159 · Answer 1 · 2020-06-19 13:31:30

159

Views

Blow up of $V(x^2 - y^2 + x^3) \subset \operatorname{Spec}k[x,y]$

Published on 19 Jun 2020 - 13:31

score 466 · Answer 2 · 2020-06-22 00:07:11

466

Views

Sheaf cohomology of $\mathbb{A}^3$ minus the origin

Published on 22 Jun 2020 - 0:07

score 325 · Answer 3 · 2020-06-29 08:47:16

325

Views

The stalk $O_{X,x}$ is an integral domain implies $x$ is in the closure of only one associated point

Published on 29 Jun 2020 - 8:47

score 371 · Answer 4 · 2020-06-30 03:41:25

371

Views

Open subscheme of Noetherian integral scheme is integral?

Published on 30 Jun 2020 - 3:41

score 62 · Answer 5 · 2020-07-01 11:49:55

62

Views

Trying to prove the equivalence of two notions of a tangent space of a scheme

Published on 01 Jul 2020 - 11:49

score 2.2k · Answer 6 · 2020-07-03 19:53:11

2.2k

Views

Every irreducible closed has a generic point

Published on 03 Jul 2020 - 19:53

score 220 · Answer 7 · 2020-07-05 14:49:03

220

Views

Hom of sheaf of modules (Hartshorne Ex. II.5.3)

Published on 05 Jul 2020 - 14:49

score 616 · Answer 8 · 2020-07-07 23:42:54

616

Views

Irreducibility of $X\times_k\overline{k}$ (Hartshorne 3.15 (a))

Published on 07 Jul 2020 - 23:42

score 169 · Answer 9 · 2020-07-14 13:54:51

169

Views

Definition of étale morphism in Mumford

Published on 14 Jul 2020 - 13:54

score 63 · Answer 10 · 2026-02-23 06:24:24

63

Views

Geometric fibres of a spec of a field

Published on 23 Feb 2026 - 6:24

score 304 · Answer 11 · 2020-07-18 11:49:00

304

Views

If $\operatorname{Spec} A＝\operatorname{Spec} B$, then $A$ is isomorphic to $B$

Published on 18 Jul 2020 - 11:49

score 31 · Answer 12 · 2020-07-20 11:27:48

31

Views

$X$ is locally the locus of roots of $n$ equatinos in $Y \times \mathbb{A}^n$ given etale $f: X \to Y$

Published on 20 Jul 2020 - 11:27

score 408 · Answer 13 · 2020-07-20 12:16:22

408

Views

Spec of $k(X)$ is the fibre of $f$ over the generic point of $Y$ given $f: X \to Y$

Published on 20 Jul 2020 - 12:16

score 284 · Answer 14 · 2026-02-23 06:25:22

284

Views

fibre of a scheme of finite type over a field being quasi-compact

Published on 23 Feb 2026 - 6:25

score 97 · Answer 15 · 2026-03-25 23:42:33

97

Views

On global section of Hom-functor on quasi-coherent sheaves on a quasi-affine scheme

Published on 25 Mar 2026 - 23:42

List Question

Blow up of $V(x^2 - y^2 + x^3) \subset \operatorname{Spec}k[x,y]$

Sheaf cohomology of $\mathbb{A}^3$ minus the origin

The stalk $O_{X,x}$ is an integral domain implies $x$ is in the closure of only one associated point

Open subscheme of Noetherian integral scheme is integral?

Trying to prove the equivalence of two notions of a tangent space of a scheme

Every irreducible closed has a generic point

Hom of sheaf of modules (Hartshorne Ex. II.5.3)

Irreducibility of $X\times_k\overline{k}$ (Hartshorne 3.15 (a))

Definition of étale morphism in Mumford

Geometric fibres of a spec of a field

If $\operatorname{Spec} A＝\operatorname{Spec} B$, then $A$ is isomorphic to $B$

$X$ is locally the locus of roots of $n$ equatinos in $Y \times \mathbb{A}^n$ given etale $f: X \to Y$

Spec of $k(X)$ is the fibre of $f$ over the generic point of $Y$ given $f: X \to Y$

fibre of a scheme of finite type over a field being quasi-compact

On global section of Hom-functor on quasi-coherent sheaves on a quasi-affine scheme

Trending Questions

Popular # Hahtags

Popular Questions