List questions from divisors-algebraic-geometry

Published on 05 May 2016 - 16:34

619

Views

Order of point in divisor

Published on 05 Jun 2016 - 11:52

467

Views

Relation between projective equivalence and linear equivalence of divisors

Published on 15 Jun 2016 - 6:55

77

Views

The divisor $D=Y_1+Y_2$ is not smooth if $Y_1$ intersects $Y_2$?

Published on 12 Apr 2017 - 10:45

1.2k

Views

Each divisor arises from a rational section

Published on 25 Mar 2026 - 19:10

184

Views

The order of a rational section is zero at all but finitely many points

Published on 17 Apr 2017 - 17:32

753

Views

Why are effective divisors the same thing as curves on $X$?

Published on 01 May 2017 - 23:21

108

Views

codimension of cycles/Weil divisors, definitions in EGA and Liu

Published on 08 May 2017 - 23:20

117

Views

The divisor of a local equation of a hypersurface is the hypersurface in certain open subset

Published on 09 May 2017 - 7:57

274

Views

Why is this not a cartier divisor?

Published on 25 Mar 2026 - 11:10

200

Views

Intersecting $\mathbb{Q}$-Cartier divisors on a singular variety (Cone)

Published on 20 May 2017 - 16:14

135

Views

Invertible sheaf isomorphic to $\mathcal{O}(div (s))$ but $\mathcal{O}(1)$ on $\mathbb{P}^1$ not?

Published on 21 May 2017 - 16:17

534

Views

Confused about generic points of closed integral subschemes in Hartshorne

Published on 14 Jun 2017 - 10:41

390

Views

Curve embedding in $\mathbb{P}^3$ - role of divisors

Published on 24 Jun 2017 - 20:54

191

Views

What are formal symbols at the definition of a divisor of an elliptic curve

Published on 27 Jun 2017 - 11:44

List Question

product of divisors on the square of a curve

Order of point in divisor

Relation between projective equivalence and linear equivalence of divisors

The divisor $D=Y_1+Y_2$ is not smooth if $Y_1$ intersects $Y_2$?

Each divisor arises from a rational section

The order of a rational section is zero at all but finitely many points

Why are effective divisors the same thing as curves on $X$?

codimension of cycles/Weil divisors, definitions in EGA and Liu

The divisor of a local equation of a hypersurface is the hypersurface in certain open subset

Why is this not a cartier divisor?

Intersecting $\mathbb{Q}$-Cartier divisors on a singular variety (Cone)

Invertible sheaf isomorphic to $\mathcal{O}(div (s))$ but $\mathcal{O}(1)$ on $\mathbb{P}^1$ not?

Confused about generic points of closed integral subschemes in Hartshorne

Curve embedding in $\mathbb{P}^3$ - role of divisors

What are formal symbols at the definition of a divisor of an elliptic curve

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