List questions from algebraic-geometry

Published on 03 Jan 2019 - 21:34

378

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When is a map of local rings finite?

Published on 11 Apr 2026 - 2:11

72

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$n-2$-spaces on cubic hypersurfaces

Published on 11 Apr 2026 - 13:48

321

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Example of sheaf on $\mathrm{Ring}$ that does not come from $\mathrm{Sch}$.

Published on 11 Apr 2026 - 4:21

204

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Counterexample of Remmert's theorem without properness

Published on 27 Mar 2026 - 18:57

645

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Non-singular elliptic curve parametrization

Published on 01 Apr 2026 - 18:57

256

Views

Cech Cohomology and module structure

Published on 11 Apr 2026 - 3:04

217

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irreducible smooth proper one-dimensional $\mathbb{Z}$-schemes

Published on 11 Apr 2026 - 20:29

77

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Existence of a complex polynomial with given zeros and critical points?

Published on 11 Apr 2026 - 18:58

276

Views

Injectivity of locally free sheaf

Published on 26 Mar 2026 - 14:25

91

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Projective family of hypersurfaces on curve admits some embedding?

Published on 11 Apr 2026 - 18:48

86

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Irreducible components of the subvariety of matrices s.t. $M^n=\mathbb{I}$

Published on 25 Mar 2026 - 7:44

225

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When $R/J(R)$ is indecomposable

Published on 11 Apr 2026 - 9:13

99

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Why is this an open condition of vector bundles?

Published on 06 Jan 2019 - 11:01

676

Views

Pushforward of the structure sheaf on $\mathbb{P_\mathbb{C}^1}$

Published on 26 Mar 2026 - 14:20

List Question

polynomials and algebraic operations

When is a map of local rings finite?

$n-2$-spaces on cubic hypersurfaces

Example of sheaf on $\mathrm{Ring}$ that does not come from $\mathrm{Sch}$.

Counterexample of Remmert's theorem without properness

Non-singular elliptic curve parametrization

Cech Cohomology and module structure

irreducible smooth proper one-dimensional $\mathbb{Z}$-schemes

Existence of a complex polynomial with given zeros and critical points?

Injectivity of locally free sheaf

Projective family of hypersurfaces on curve admits some embedding?

Irreducible components of the subvariety of matrices s.t. $M^n=\mathbb{I}$

When $R/J(R)$ is indecomposable

Why is this an open condition of vector bundles?

Pushforward of the structure sheaf on $\mathbb{P_\mathbb{C}^1}$

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