English

$p$-adic families of modular forms for Hodge type Shimura varieties with non-empty ordinary locus

Number Theory 2020-09-16 v1

Abstract

We generalize some of the results of Andreatta, Iovita, and Pilloni and the author to Hodge type Shimura varieties having non-empty ordinary locus. For any pp-adic weight κ\kappa, we give a geometric definition of the space of overconvergent modular forms of weight κ\kappa in terms of sections of a sheaf. We show that our sheaves live in analytic families, interpolating the classical sheaves for integral weights. We define an action of the Hecke algebra, including a completely continuous operator at pp. In some simple cases, we also build the eigenvariety.

Keywords

Cite

@article{arxiv.2009.07150,
  title  = {$p$-adic families of modular forms for Hodge type Shimura varieties with non-empty ordinary locus},
  author = {Riccardo Brasca},
  journal= {arXiv preprint arXiv:2009.07150},
  year   = {2020}
}

Comments

18 pages. Comments welcome!