List questions from schemes

Published on 02 Apr 2026 - 19:17

58

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on the necessity of gluing conditions

Published on 23 Mar 2016 - 13:57

956

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sheaf defined on the support of a sheaf

Published on 03 Apr 2026 - 15:35

315

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Intersection of locally closed subschemes

Published on 28 Mar 2016 - 9:15

2.1k

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Commutation of pushforward and pullback along cartesian squares

Published on 26 Mar 2026 - 8:14

210

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Details about the definition of: "deformation of a family"

Published on 10 Mar 2026 - 0:54

741

Views

if the Hilbert polynomial of coherent sheaf is constant number,then locally free?

Published on 05 Apr 2026 - 12:48

848

Views

Differential forms on a projective curve: two constructions

Published on 26 Mar 2026 - 12:04

98

Views

Scheme $\{x\in \mathbb{R}^{d}:|x^{2}|\leq \varepsilon\}$ glued by which affine schemes?

Published on 03 Apr 2016 - 20:36

254

Views

Intersecting two pencils of plane curves

Published on 26 Mar 2026 - 12:06

835

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Being a regular embedding is an open condition for locally Noetherian schemes

Published on 06 Apr 2016 - 0:25

108

Views

Are representables on the étale site on topological space sheaves?

Published on 03 Apr 2026 - 15:40

93

Views

Categories of definition for sites on spaces and sites on schemes

Published on 03 Apr 2026 - 15:36

104

Views

Geometric example of a one object cover which does not satisfy the sheaf condition?

Published on 03 Apr 2026 - 15:35

148

Views

Quotient of a scheme under infinite group action

Published on 01 Apr 2026 - 13:44

List Question

Maps to $\mathbb{P}^1$ induced by rational functions.

on the necessity of gluing conditions

sheaf defined on the support of a sheaf

Intersection of locally closed subschemes

Commutation of pushforward and pullback along cartesian squares

Details about the definition of: "deformation of a family"

if the Hilbert polynomial of coherent sheaf is constant number,then locally free?

Differential forms on a projective curve: two constructions

Scheme $\{x\in \mathbb{R}^{d}:|x^{2}|\leq \varepsilon\}$ glued by which affine schemes?

Intersecting two pencils of plane curves

Being a regular embedding is an open condition for locally Noetherian schemes

Are representables on the étale site on topological space sheaves?

Categories of definition for sites on spaces and sites on schemes

Geometric example of a one object cover which does not satisfy the sheaf condition?

Quotient of a scheme under infinite group action

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