List questions from ringed-spaces

Published on 21 Feb 2018 - 23:15

311

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Ideal sheaf which is locally generated by sections.

Published on 27 Jun 2018 - 17:22

315

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About gluing of sheaves on a cover

Published on 13 Jul 2018 - 14:46

54

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Does the locally-ringed spaces viewpoint on topology actually do what we want?

Published on 06 Aug 2018 - 8:25

91

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The 'Locally Ringed' condition in the definition of a scheme.

Published on 26 Aug 2018 - 8:13

95

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Showing that $\mathbb{P}^1$ is two copies of $\mathbb{C}$ glued together; is there a high-power tool that can help here?

Published on 26 Aug 2018 - 9:40

166

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Are morphisms of algebraic varieties determined by their underlying functions?

Published on 15 Sep 2018 - 10:47

668

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Locally free $\mathcal{O}_{X}$ modules are not projective

Published on 09 Nov 2018 - 22:02

181

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If restricted morphism of ringed spaces are equal, then they are actually equal

Published on 30 Nov 2018 - 18:00

197

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Definition of the sheaf $GL_n(\mathcal{O}_X)$ of invertible $\mathcal{O}_X-$linear functions

Published on 31 Jan 2019 - 14:24

32

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Why adjunction appear to preserve stalk?

Published on 20 Mar 2019 - 3:15

166

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$X_f$ of locally ringed space $(X, O_X)$.

Published on 03 May 2019 - 14:33

146

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Determinant of a nonfree module

Published on 08 May 2019 - 21:47

43

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Bijective $\mathcal{O}_X$-Module Homomorphisms

Published on 16 May 2019 - 10:38

250

Views

What is the point of the topological space of a (locally) ringed space?

Published on 25 Jun 2019 - 23:26

List Question

Description of tangent space via locally ringed space arrows from dual numbers

Ideal sheaf which is locally generated by sections.

About gluing of sheaves on a cover

Does the locally-ringed spaces viewpoint on topology actually do what we want?

The 'Locally Ringed' condition in the definition of a scheme.

Showing that $\mathbb{P}^1$ is two copies of $\mathbb{C}$ glued together; is there a high-power tool that can help here?

Are morphisms of algebraic varieties determined by their underlying functions?

Locally free $\mathcal{O}_{X}$ modules are not projective

If restricted morphism of ringed spaces are equal, then they are actually equal

Definition of the sheaf $GL_n(\mathcal{O}_X)$ of invertible $\mathcal{O}_X-$linear functions

Why adjunction appear to preserve stalk?

$X_f$ of locally ringed space $(X, O_X)$.

Determinant of a nonfree module

Bijective $\mathcal{O}_X$-Module Homomorphisms

What is the point of the topological space of a (locally) ringed space?

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