List questions from divisors-algebraic-geometry

765

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A non-zero section of an invertible sheaf on a geometrically integral (smooth?) projective $k$-scheme is regular?

Published on 23 Jan 2016 - 2:50

839

Views

Conormal bundle of Cartier divisors

Published on 26 Mar 2026 - 6:34

1.2k

Views

Divisors and their meaning

Published on 26 Feb 2016 - 16:10

1k

Views

Volume of a divisor?

Published on 25 Mar 2026 - 23:10

936

Views

Why does Hartshorne require that a scheme is separated for defining Weil Divisors?

Published on 11 Mar 2016 - 16:52

503

Views

local equation of a divisor, localization and local ring at a point

Published on 16 Mar 2016 - 21:26

698

Views

Do principal divisors always have degree 0? (from Garrity)

Published on 24 Mar 2016 - 3:39

847

Views

Differential forms on a projective curve: two constructions

Published on 02 Apr 2016 - 17:49

253

Views

Intersecting two pencils of plane curves

Published on 05 Apr 2016 - 13:38

173

Views

Image of divisors under étale cover

Published on 13 Apr 2016 - 9:32

46

Views

Counting zeroes of global sections

Published on 26 Mar 2026 - 9:40

2.5k

Views

Sheaf associated to a Cartier divisor

Published on 17 Apr 2016 - 13:55

299

Views

Representation of an effective Cartier divisor: is there an imprecision in Liu's book?

Published on 18 Apr 2016 - 18:18

137

Views

If a divisor $D$ satisfies that $D^{2}=1$, is it true that the morphism induced by $|D|$ is birational?

Published on 23 Apr 2016 - 15:37

1.7k

Views

Do finite morphisms preserve dimensions?

Published on 25 Apr 2016 - 17:14

List Question

A non-zero section of an invertible sheaf on a geometrically integral (smooth?) projective $k$-scheme is regular?

Conormal bundle of Cartier divisors

Divisors and their meaning

Volume of a divisor?

Why does Hartshorne require that a scheme is separated for defining Weil Divisors?

local equation of a divisor, localization and local ring at a point

Do principal divisors always have degree 0? (from Garrity)

Differential forms on a projective curve: two constructions

Intersecting two pencils of plane curves

Image of divisors under étale cover

Counting zeroes of global sections

Sheaf associated to a Cartier divisor

Representation of an effective Cartier divisor: is there an imprecision in Liu's book?

If a divisor $D$ satisfies that $D^{2}=1$, is it true that the morphism induced by $|D|$ is birational?

Do finite morphisms preserve dimensions?

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