Question

What properties single out $ \operatorname{Spec}(\mathbb{k}) $-schemes that are quasi-projective varieties over $ \mathbb{k} $?

score 95 · Answer 1 · 2016-05-09 05:27:01

95

Views

What properties single out $ \operatorname{Spec}(\mathbb{k}) $-schemes that are quasi-projective varieties over $ \mathbb{k} $?

Published on 09 May 2016 - 5:27

score 300 · Answer 2 · 2016-06-15 23:44:33

300

Views

Open vs Closed Immersions of Locally Ringed Spaces

Published on 15 Jun 2016 - 23:44

score 327 · Answer 3 · 2013-07-06 21:02:39

327

Views

What is the stalk at a point of the quotient of a scheme?

Published on 06 Jul 2013 - 21:02

score 33 · Answer 4 · 2013-12-16 11:58:23

33

Views

Orientability of Ringed Space

Published on 16 Dec 2013 - 11:58

score 130 · Answer 5 · 2014-01-13 07:49:38

130

Views

Is a nonzero divisor locally nonzero divisor?

Published on 13 Jan 2014 - 7:49

score 3k · Answer 6 · 2014-01-14 20:09:08

3k

Views

Hartshorne's Exercise II.5.1 - Projection formula

Published on 14 Jan 2014 - 20:09

score 1.9k · Answer 7 · 2014-01-21 12:43:39

1.9k

Views

On a ringed space, show that the non vanishing set of $f$ is open, and that it is invertible there

Published on 21 Jan 2014 - 12:43

score 135 · Answer 8 · 2017-04-21 10:35:03

135

Views

What is the restriction of a locally ringed space to an open subset U?

Published on 21 Apr 2017 - 10:35

score 2.2k · Answer 9 · 2017-07-22 10:06:41

2.2k

Views

Details of gluing sheaves on a cover

Published on 22 Jul 2017 - 10:06

score 449 · Answer 10 · 2017-09-06 11:01:38

449

Views

Is there a notion of "schemeification" analogous to that of sheafification of a presheaf?

Published on 06 Sep 2017 - 11:01

score 43 · Answer 11 · 2017-09-16 13:00:17

43

Views

Why is the group of sections of a sheaf of modules given by the group of morphisms of sheaves?

Published on 16 Sep 2017 - 13:00

score 366 · Answer 12 · 2017-10-06 22:06:27

366

Views

introducing locally ringed space definition necessary at all?

Published on 06 Oct 2017 - 22:06

score 73 · Answer 13 · 2017-10-11 08:13:13

73

Views

Product of two analytic spaces

Published on 11 Oct 2017 - 8:13

score 248 · Answer 14 · 2017-10-20 16:01:21

248

Views

Trying to understand vector bundles on manifolds via locally free sheaves

Published on 20 Oct 2017 - 16:01

score 246 · Answer 15 · 2017-11-16 22:50:16

246

Views

Relation between $\mathcal{O}_Y\rightarrow f_*\mathcal{O}_{X}$ and $f^{-1}\mathcal{O}_Y\rightarrow \mathcal{O}_X$ being epimorphism/monomorphism.

Published on 16 Nov 2017 - 22:50

List Question

What properties single out $ \operatorname{Spec}(\mathbb{k}) $-schemes that are quasi-projective varieties over $ \mathbb{k} $?

Open vs Closed Immersions of Locally Ringed Spaces

What is the stalk at a point of the quotient of a scheme?

Orientability of Ringed Space

Is a nonzero divisor locally nonzero divisor?

Hartshorne's Exercise II.5.1 - Projection formula

On a ringed space, show that the non vanishing set of $f$ is open, and that it is invertible there

What is the restriction of a locally ringed space to an open subset U?

Details of gluing sheaves on a cover

Is there a notion of "schemeification" analogous to that of sheafification of a presheaf?

Why is the group of sections of a sheaf of modules given by the group of morphisms of sheaves?

introducing locally ringed space definition necessary at all?

Product of two analytic spaces

Trying to understand vector bundles on manifolds via locally free sheaves

Relation between $\mathcal{O}_Y\rightarrow f_*\mathcal{O}_{X}$ and $f^{-1}\mathcal{O}_Y\rightarrow \mathcal{O}_X$ being epimorphism/monomorphism.

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