List questions from algebraic-geometry

Published on 13 Apr 2026 - 8:40

737

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Quadratic Form as Sum of Squares

Published on 10 Apr 2026 - 17:43

1.1k

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Dimension of product of varieties

Published on 09 Apr 2026 - 2:44

238

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Prove that any closed irreducible subset of $\mathrm {Spec} (R)$ has a unique generic point.

Published on 07 Apr 2026 - 18:10

98

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Under certain conditions, is it true that $\overline{Z \cap U} = Z$?

Published on 13 Apr 2026 - 7:05

312

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Tensor Product of $\mathcal O_X$-Modules is not a Sheaf, trouble understanding example

Published on 11 Apr 2026 - 21:03

161

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Are superelliptic curves singular?

Published on 11 Apr 2026 - 14:48

52

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Metric with singularities and associated Laplacian

Published on 12 Apr 2026 - 14:47

277

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How should I understand "a finitely generated module is too small to be injective"?

Published on 09 Apr 2026 - 20:06

196

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Transforming Quadrics in Characteristic 2

Published on 25 Mar 2026 - 1:21

78

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Why is this morphism a homeomorphism?

Published on 12 Apr 2026 - 20:32

54

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Prove that $\mathcal {C}$ is an affine algebraic $K$-variety.

Published on 25 Mar 2026 - 9:37

305

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Picard group of a conic

Published on 05 Apr 2026 - 13:14

84

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Set $X(\mathbb{Q}_p)$ of $\mathbb{Q}_p$-valued Points not Empty

Published on 26 Mar 2026 - 14:33

788

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Automorphisms and moduli problems

Published on 09 Apr 2026 - 4:07

List Question

Why is ${\varphi}^{-1} (A)$ closed in $V$?

Quadratic Form as Sum of Squares

Dimension of product of varieties

Prove that any closed irreducible subset of $\mathrm {Spec} (R)$ has a unique generic point.

Under certain conditions, is it true that $\overline{Z \cap U} = Z$?

Tensor Product of $\mathcal O_X$-Modules is not a Sheaf, trouble understanding example

Are superelliptic curves singular?

Metric with singularities and associated Laplacian

How should I understand "a finitely generated module is too small to be injective"?

Transforming Quadrics in Characteristic 2

Why is this morphism a homeomorphism?

Prove that $\mathcal {C}$ is an affine algebraic $K$-variety.

Picard group of a conic

Set $X(\mathbb{Q}_p)$ of $\mathbb{Q}_p$-valued Points not Empty

Automorphisms and moduli problems

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