English

On the Cohomology of Moduli of Vector Bundles

Algebraic Geometry 2007-05-23 v2

Abstract

We compute some Hodge and Betti numbers of the moduli space of stable rank rr degree dd vector bundles on a smooth projective curve. We do not assume rr and dd are coprime. In the process we equip the cohomology of an arbitrary algebraic stack with a functorial mixed Hodge structure. This Hodge structure is computed in the case of the moduli stack of rank rr, degree dd vector bundles on a curve. Our methods also yield a formula for the Poincare polynomial of the moduli stack that is valid over any ground field.

Keywords

Cite

@article{arxiv.math/0310299,
  title  = {On the Cohomology of Moduli of Vector Bundles},
  author = {Ajneet Dhillon},
  journal= {arXiv preprint arXiv:math/0310299},
  year   = {2007}
}

Comments

20 pages, I forgot to upload the bibliography last time