List questions from divisors-algebraic-geometry

Published on 05 Feb 2022 - 10:10

60

Views

$D-P-Q$ is nonspecial for all $P, Q \in X$ implies $D$ is nonspecial

Published on 05 Feb 2022 - 11:53

77

Views

Possible degrees of nonconstant map $f:C\rightarrow \mathbb{P}^1$ for a plane curve $C$

Published on 07 Feb 2022 - 18:13

186

Views

Rank of normal sheaf in singular varieties

Published on 10 Feb 2022 - 9:43

206

Views

How to define the intersection product of a curve with itself: $(C\cdot C)$?

Published on 14 Feb 2022 - 18:50

133

Views

What is a non-effective holomorphic line bundle $L$ of degree 0 such that $L \otimes L$ is effective?

Published on 26 Mar 2026 - 8:23

159

Views

Sections of pullback bundle

Published on 18 Feb 2022 - 22:11

133

Views

Canonical effective divisors on a degree 4 curve

Published on 24 Feb 2022 - 17:06

33

Views

Either $\pm c_1(S)$ is ample or $c_1(S)=0$ for a normal projective surface with quotient singularities with $b_2(S)=1$

Published on 09 Mar 2022 - 11:47

207

Views

About quotient singularities on a complex projective surface

Published on 11 Mar 2022 - 0:18

100

Views

Projective surface has an ample divisor

Published on 26 Mar 2026 - 11:16

104

Views

Applying Riemann-Roch to a rank 2 vector bundle on a complex surface

Published on 19 Mar 2022 - 8:40

26

Views

$h^0(S^nF(nD_1+D_2))=O(n^2)$ for a rank 2 vector bundle $F$ on a smooth curve

Published on 19 Mar 2022 - 14:50

71

Views

On a particular exact sequence in cohomology

Published on 20 Mar 2022 - 22:30

408

Views

Grothendieck Group of a Nonsingular Curve (Hartshorne Exercise II.6.11).

Published on 01 Apr 2022 - 17:50

List Question

Hom set between curves on a surface

$D-P-Q$ is nonspecial for all $P, Q \in X$ implies $D$ is nonspecial

Possible degrees of nonconstant map $f:C\rightarrow \mathbb{P}^1$ for a plane curve $C$

Rank of normal sheaf in singular varieties

How to define the intersection product of a curve with itself: $(C\cdot C)$?

What is a non-effective holomorphic line bundle $L$ of degree 0 such that $L \otimes L$ is effective?

Sections of pullback bundle

Canonical effective divisors on a degree 4 curve

Either $\pm c_1(S)$ is ample or $c_1(S)=0$ for a normal projective surface with quotient singularities with $b_2(S)=1$

About quotient singularities on a complex projective surface

Projective surface has an ample divisor

Applying Riemann-Roch to a rank 2 vector bundle on a complex surface

$h^0(S^nF(nD_1+D_2))=O(n^2)$ for a rank 2 vector bundle $F$ on a smooth curve

On a particular exact sequence in cohomology

Grothendieck Group of a Nonsingular Curve (Hartshorne Exercise II.6.11).

Trending Questions

Popular # Hahtags

Popular Questions