User Roberto Pignatelli

7 votes

Accepted

Genus in weighted projective space

answered Mar 16, 2014 at 9:33

6 votes

Accepted

Blow up solution for a Riccati's equation

answered Aug 27, 2014 at 13:09

5 votes

Accepted

Does $h^1(D)=0$ imply numerical connectedness on K3 surfaces?

answered Mar 3, 2014 at 14:49

5 votes

Accepted

Will any two linearly equivalent ample divisors on an abelian variety intersect?

answered Dec 31, 2015 at 14:57

4 votes

Intersection of Subspaces with $O(3)$

answered Jan 26, 2016 at 10:40

4 votes

Asymptotics for the number of abelian groups of order at most $x.$

answered Feb 12, 2016 at 13:20

4 votes

Isotrivial fibrations over $\mathbb P^1$

answered Oct 29, 2014 at 7:21

4 votes

Accepted

equations for a bidouble cover

answered Jan 10, 2017 at 9:24

3 votes

Torsion of the Picard group for surfaces isogenous to a product

answered Feb 14, 2014 at 19:32

3 votes

Does every finite map of smooth varieties birationally embed as a smooth hypersurface of 1d trivial bundle over the base?

answered Mar 20, 2023 at 12:50

3 votes

Accepted

On surfaces with $p_g=0$, $q=1$, and $K^2=-3$

answered Sep 21, 2015 at 7:44

3 votes

a net of quadrics and the corresponding intersection

answered Mar 13, 2014 at 16:59

2 votes

Accepted

Is each rationally chain connected surface rational?

answered Sep 3, 2014 at 13:07

2 votes

Accepted

Topology : Study on Separation Properties

answered Jul 23, 2014 at 9:24

2 votes

Finding an algebraic equation given divisors

answered Aug 5, 2014 at 10:02

2 votes

Disjoint curves in an algebraic surface

answered Mar 23, 2015 at 9:25

2 votes

Fundamental group of a compact branched cover

answered Jul 21, 2020 at 12:57

2 votes

Classification of quartic surfaces

answered Dec 29, 2022 at 17:15

2 votes

Accepted

Pullback of line bundles and divisors from $Kum(C)$ to $Jac(C)$

answered Nov 8, 2015 at 11:30

2 votes

Accepted

Global sections of coherent sheaves on determinantal hypersurfaces in $\mathbb{P}^n$

answered Dec 31, 2015 at 10:04

1 vote

Accepted

The geometric genus under a generically finite to one rational map

answered Apr 19, 2017 at 12:51

1 vote

Accepted

Relation between curves in a complete linear system contained in another

answered Oct 31, 2015 at 11:54

1 vote

Automorphisms of Cartesian products

answered Mar 7, 2016 at 10:25

0 votes

Accepted

Uniform position property and general hyperplanes

answered Jun 30, 2014 at 11:42

Stack Exchange Network

24 Answers

Genus in weighted projective space

Blow up solution for a Riccati's equation

Does $h^1(D)=0$ imply numerical connectedness on K3 surfaces?

Will any two linearly equivalent ample divisors on an abelian variety intersect?

Intersection of Subspaces with $O(3)$

Asymptotics for the number of abelian groups of order at most $x.$

Isotrivial fibrations over $\mathbb P^1$

equations for a bidouble cover

Torsion of the Picard group for surfaces isogenous to a product

Does every finite map of smooth varieties birationally embed as a smooth hypersurface of 1d trivial bundle over the base?

On surfaces with $p_g=0$, $q=1$, and $K^2=-3$

a net of quadrics and the corresponding intersection

Is each rationally chain connected surface rational?

Topology : Study on Separation Properties

Finding an algebraic equation given divisors

Disjoint curves in an algebraic surface

Fundamental group of a compact branched cover

Classification of quartic surfaces

Pullback of line bundles and divisors from $Kum(C)$ to $Jac(C)$

Global sections of coherent sheaves on determinantal hypersurfaces in $\mathbb{P}^n$

The geometric genus under a generically finite to one rational map

Relation between curves in a complete linear system contained in another

Automorphisms of Cartesian products

Uniform position property and general hyperplanes