List questions from algebraic-geometry

Published on 11 Apr 2026 - 13:18

137

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Local complete intersection ring

Published on 25 Apr 2026 - 3:57

64

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fibred product of groups of multiplicative type (or, more generally, of linear algebraic groups)

Published on 15 Apr 2026 - 10:04

499

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A nonfree module which is locally free

Published on 25 Apr 2026 - 4:00

151

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$\dim (D-P)=\dim (D)-1$

Published on 10 May 2026 - 18:19

63

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Rational equality modulo $p$

Published on 14 Apr 2026 - 4:55

390

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Finding the irreducible components.

Published on 10 Apr 2026 - 4:41

734

Views

etale neighborhoods

Published on 11 May 2026 - 6:28

61

Views

Interpretation of $\Omega_{A/k} \simeq A \otimes_k I/I^2$ for affine group schemes

Published on 25 Apr 2026 - 4:06

654

Views

Analog of holomorphic Lefschetz fixed point theorem for smooth algebraic varieties

Published on 15 Apr 2026 - 1:11

111

Views

A question about hyperelliptic curve

Published on 13 Apr 2026 - 4:52

393

Views

Plane curves isomorphic to the affine line

Published on 25 Apr 2026 - 4:03

719

Views

Examples of smooth curves of genus $0$ and degree $d>2$.

Published on 11 May 2026 - 5:25

1.7k

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Fibres of the map $\operatorname{Spec}\mathbb{Z}[x] \rightarrow \operatorname{Spec}\mathbb{Z}$

Published on 18 Apr 2026 - 5:36

80

Views

Is it true that ${\mathbb P}^1_{(1,2)} \cong {\mathbb P}^1$?

Published on 12 Apr 2026 - 10:43

List Question

a question on torsors

Local complete intersection ring

fibred product of groups of multiplicative type (or, more generally, of linear algebraic groups)

A nonfree module which is locally free

$\dim (D-P)=\dim (D)-1$

Rational equality modulo $p$

Finding the irreducible components.

etale neighborhoods

Interpretation of $\Omega_{A/k} \simeq A \otimes_k I/I^2$ for affine group schemes

Analog of holomorphic Lefschetz fixed point theorem for smooth algebraic varieties

A question about hyperelliptic curve

Plane curves isomorphic to the affine line

Examples of smooth curves of genus $0$ and degree $d>2$.

Fibres of the map $\operatorname{Spec}\mathbb{Z}[x] \rightarrow \operatorname{Spec}\mathbb{Z}$

Is it true that ${\mathbb P}^1_{(1,2)} \cong {\mathbb P}^1$?

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