List questions from schemes

Published on 07 Apr 2026 - 8:44

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Restricting a Weil divisor to a local scheme

Published on 10 Apr 2026 - 18:17

776

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Showing that intersection multiplicity at a point is finite for prime divisors

Published on 28 Mar 2026 - 10:19

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Zariski Tangent Space and $k[\varepsilon]/\varepsilon^2$

Published on 23 Mar 2013 - 22:42

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Definition of degree of finite morphism plus context

Published on 10 Apr 2026 - 8:08

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Nice proof for étale of degree 1 implies isomorphism.

Published on 26 Mar 2013 - 12:44

226

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A scheme from a quasi-compact morphism

Published on 11 Apr 2026 - 8:32

578

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Question about the sheaf of differentials of a fibre

Published on 11 Apr 2026 - 0:03

151

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differentials and tangent space of a fibre

Published on 10 Apr 2026 - 17:04

1.3k

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If $D$ is a Weil divisor, how do I get the invertible sheaf $\mathcal{O}_S(D)$?

Published on 26 Mar 2026 - 21:26

376

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Scheme theoretically, when the union of the interserction is the intersection of the union

Published on 26 Mar 2026 - 11:17

289

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$f:S\to X$ is generically finite of degree $d$, then $f_f^D=dD$

Published on 26 Mar 2026 - 6:01

419

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Morphism from a scheme to the spectrum of global section

Published on 11 Apr 2026 - 10:11

256

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Existence of Quotients in Locally Ringed Spaces

Published on 09 Apr 2026 - 17:48

547

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Relationship between the ideal of an effective Cartier divisor and its invertible sheaf

Published on 08 Apr 2026 - 19:33

List Question

A question on an answer on Math Overflow about the tangent bundle

Restricting a Weil divisor to a local scheme

Showing that intersection multiplicity at a point is finite for prime divisors

Zariski Tangent Space and $k[\varepsilon]/\varepsilon^2$

Definition of degree of finite morphism plus context

Nice proof for étale of degree 1 implies isomorphism.

A scheme from a quasi-compact morphism

Question about the sheaf of differentials of a fibre

differentials and tangent space of a fibre

If $D$ is a Weil divisor, how do I get the invertible sheaf $\mathcal{O}_S(D)$?

Scheme theoretically, when the union of the interserction is the intersection of the union

$f:S\to X$ is generically finite of degree $d$, then $f_f^D=dD$

Morphism from a scheme to the spectrum of global section

Existence of Quotients in Locally Ringed Spaces

Relationship between the ideal of an effective Cartier divisor and its invertible sheaf

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