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Roberto Pignatelli's user avatar
Roberto Pignatelli's user avatar
Roberto Pignatelli's user avatar
Roberto Pignatelli
  • Member for 10 years, 10 months
  • Last seen more than 1 year ago
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I work in Algebraic Geometry, mainly in characteristic zero.

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Top posts
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answer
7
Genus in weighted projective space
Mar 16, 2014
answer
6
Blow up solution for a Riccati's equation
Aug 27, 2014
question
5
Deformations of a blow up
Jun 2, 2020
answer
5
Does $h^1(D)=0$ imply numerical connectedness on K3 surfaces?
Mar 3, 2014
answer
5
Will any two linearly equivalent ample divisors on an abelian variety intersect?
Dec 31, 2015
answer
4
Isotrivial fibrations over $\mathbb P^1$
Oct 29, 2014
answer
4
Intersection of Subspaces with $O(3)$
Jan 26, 2016
answer
4
Asymptotics for the number of abelian groups of order at most $x.$
Feb 12, 2016
answer
4
equations for a bidouble cover
Jan 10, 2017
answer
3
Torsion of the Picard group for surfaces isogenous to a product
Feb 14, 2014