Skip to main content

All Questions

Filter by
Sorted by
Tagged with
2 votes
0 answers
143 views

Cohomology of equivariant toric vector bundles using Klyachko's filtration

I am trying to understand Klyachko's following description of the cohomology groups of locally free (hopefully more generally of reflexive) sheaves on toric varieties. Whereas detailed literature ...
sagirot's user avatar
  • 455
2 votes
0 answers
78 views

How to estimate the locus of non-zero cohomology for a equivariant toric reflexive sheaf, with a Klyachko description

I am trying to analyze Macaulay2 package "ToricVectorBundles". The package deals with equivariant reflexive sheaves on complete toric varieties. Such a sheaf is described by a set of ...
Maciej Gałązka's user avatar
4 votes
1 answer
649 views

Cohomology of divisors on Hirzebruch surfaces

Consider the Hirzebruch surface $\mathbb{F}_n = \mathbb{P}(\mathcal{O}_{\mathbb{P}^1}\oplus \mathcal{O}_{\mathbb{P}^1}(n))\rightarrow\mathbb{P}^1$. The Picard group of $\mathbb{F}_n$ is generated by ...
user avatar