English

Cohomology of the toroidal compactification of A_3

Algebraic Geometry 2009-04-09 v2

Abstract

We prove that the cohomology groups with rational coefficients of the Voronoi compactification of the moduli space of abelian threefolds coincide with the Chow groups of that space, as determined by Van der Geer.

Keywords

Cite

@article{arxiv.0807.4099,
  title  = {Cohomology of the toroidal compactification of A_3},
  author = {Klaus Hulek and Orsola Tommasi},
  journal= {arXiv preprint arXiv:0807.4099},
  year   = {2009}
}

Comments

15 pages; exposition improved, first sections expanded, last section slightly shortened