List questions from schemes

Published on 14 Apr 2026 - 5:43

109

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Liu Exercise 5.3.12

Published on 18 Jul 2022 - 19:44

93

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Confusion on the objects $\operatorname{Ob} (Sch_S)$ of the Category of $S$-schemes

Published on 20 Jul 2022 - 0:51

45

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Basic questions on Picard group (references)

Published on 27 Mar 2026 - 7:10

563

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Understanding embedded points of a scheme

Published on 09 Apr 2026 - 15:35

204

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Sections of a torsion sheaf

Published on 09 Apr 2026 - 6:52

160

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Global sections of a torsion sheaf

Published on 12 Apr 2026 - 14:41

89

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Cokernel of Morphism of Free Sheaves with Infinite Rank

Published on 27 Mar 2026 - 13:25

568

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Are the roots of unity the only algebraic subgroups of the multiplicative group?

Published on 13 Apr 2026 - 18:10

46

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For a geom. integral curve $X/k$ of char $p$, do the constants $\mathrm{ker}\left[K(X) \to \Omega^1_{X/k}\otimes K(X)\right]$ equal $K(X)^{(p)}$?

Published on 25 Mar 2026 - 17:26

101

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The espace étalé as a scheme

Published on 09 Apr 2026 - 15:40

175

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Topological closed immersions and direct / inverse image of sheaves

Published on 09 Apr 2026 - 15:39

126

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Henselisation of Normal local rings (in Milne's Etale Cohomology)

Published on 25 Mar 2026 - 14:36

70

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separation property for schemes

Published on 11 Apr 2026 - 13:24

365

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Is $\mathrm{Gal}(\overline{\mathbb Q}/\mathbb Q)\cong\mathrm{Spec}(\overline{\mathbb Q}\otimes\overline{\mathbb Q})$ a group scheme

Published on 26 Mar 2026 - 13:57

List Question

When is a cone a vector bundle?

Liu Exercise 5.3.12

Confusion on the objects $\operatorname{Ob} (Sch_S)$ of the Category of $S$-schemes

Basic questions on Picard group (references)

Understanding embedded points of a scheme

Sections of a torsion sheaf

Global sections of a torsion sheaf

Cokernel of Morphism of Free Sheaves with Infinite Rank

Are the roots of unity the only algebraic subgroups of the multiplicative group?

For a geom. integral curve $X/k$ of char $p$, do the constants $\mathrm{ker}\left[K(X) \to \Omega^1_{X/k}\otimes K(X)\right]$ equal $K(X)^{(p)}$?

The espace étalé as a scheme

Topological closed immersions and direct / inverse image of sheaves

Henselisation of Normal local rings (in Milne's Etale Cohomology)

separation property for schemes

Is $\mathrm{Gal}(\overline{\mathbb Q}/\mathbb Q)\cong\mathrm{Spec}(\overline{\mathbb Q}\otimes\overline{\mathbb Q})$ a group scheme

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