English

Pseudo-representations of weight one are unramified

Number Theory 2019-06-26 v1

Abstract

We prove that the determinant (pseudo-representation) associated to the Hecke algebra of Katz modular forms of weight one and level prime to p is unramified at p.

Keywords

Cite

@article{arxiv.1906.10473,
  title  = {Pseudo-representations of weight one are unramified},
  author = {Frank Calegari and Joel Specter},
  journal= {arXiv preprint arXiv:1906.10473},
  year   = {2019}
}

Comments

To appear in Algebra & Number Theory