Question

Splitting of $f_*\mathcal O_X$

score 325 · Answer 1 · 2026-03-22 07:20:30

325

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Splitting of $f_*\mathcal O_X$

Published on 22 Mar 2026 - 7:20

score 83 · Answer 2 · 2026-03-22 16:02:42

83

Views

Geometric viewpoint on $\Bbbk[t]\to \Bbbk(t)$ not being of finite type

Published on 22 Mar 2026 - 16:02

score 680 · Answer 3 · 2026-03-25 14:14:04

680

Views

Localization of finite direct product of ring at an element

Published on 25 Mar 2026 - 14:14

score 151 · Answer 4 · 2026-03-25 04:18:45

151

Views

Intuitive computation of localizations

Published on 25 Mar 2026 - 4:18

score 132 · Answer 5 · 2018-02-07 01:49:30

132

Views

Does every quasiprojective variety admit a projective closure with smooth complement?

Published on 07 Feb 2018 - 1:49

score 392 · Answer 6 · 2026-03-19 21:17:52

392

Views

Exercise 1.1.(c) in Hartshorne's Deformation Theory

Published on 19 Mar 2026 - 21:17

score 83 · Answer 7 · 2026-03-20 07:45:01

83

Views

What are the characteristics that we can use to identify polynomials that have singular points?

Published on 20 Mar 2026 - 7:45

score 54 · Answer 8 · 2026-03-22 20:38:55

54

Views

Show $f(x)$ is irreducible Let $f(x)=x^4+x^2+t \in \mathbb{F}_2 (t)[x]$

Published on 22 Mar 2026 - 20:38

score 372 · Answer 9 · 2026-03-25 18:48:12

372

Views

Prove that $k[X]\simeq k$ using Noether's fundamental theorem (exercise $5.30$ from W. Fulton)

Published on 25 Mar 2026 - 18:48

score 72 · Answer 10 · 2018-02-07 21:14:08

72

Views

Visualize affine scheme Spec k[x,y,z]/f(x,y,z)

Published on 07 Feb 2018 - 21:14

score 215 · Answer 11 · 2026-03-25 18:49:08

215

Views

The complex numbers as a quotient of $\prod_{p\in\mathcal{P}}\bar{\mathbb{F}}_p$

Published on 25 Mar 2026 - 18:49

score 174 · Answer 12 · 2026-03-17 06:11:19

174

Views

Is the product of simply connected algebraic groups simply connected?

Published on 17 Mar 2026 - 6:11

score 334 · Answer 13 · 2026-03-20 00:14:41

334

Views

Semi-stable locally free sheaves on a curve of constant slope form an abelian category

Published on 20 Mar 2026 - 0:14

score 323 · Answer 14 · 2026-03-24 22:01:38

323

Views

How much Algebraic Geometry should one know at the beginning of grad school?

Published on 24 Mar 2026 - 22:01

score 320 · Answer 15 · 2026-03-25 07:16:34

320

Views

How to compute the determinat of $\mathcal F \otimes \mathcal G$ and $\mathcal F \oplus \mathcal G$?

Published on 25 Mar 2026 - 7:16

List Question

Splitting of $f_*\mathcal O_X$

Geometric viewpoint on $\Bbbk[t]\to \Bbbk(t)$ not being of finite type

Localization of finite direct product of ring at an element

Intuitive computation of localizations

Does every quasiprojective variety admit a projective closure with smooth complement?

Exercise 1.1.(c) in Hartshorne's Deformation Theory

What are the characteristics that we can use to identify polynomials that have singular points?

Show $f(x)$ is irreducible Let $f(x)=x^4+x^2+t \in \mathbb{F}_2 (t)[x]$

Prove that $k[X]\simeq k$ using Noether's fundamental theorem (exercise $5.30$ from W. Fulton)

Visualize affine scheme Spec k[x,y,z]/f(x,y,z)

The complex numbers as a quotient of $\prod_{p\in\mathcal{P}}\bar{\mathbb{F}}_p$

Is the product of simply connected algebraic groups simply connected?

Semi-stable locally free sheaves on a curve of constant slope form an abelian category

How much Algebraic Geometry should one know at the beginning of grad school?

How to compute the determinat of $\mathcal F \otimes \mathcal G$ and $\mathcal F \oplus \mathcal G$?

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