English

Parametrization of abelian $K$-surfaces with quaternionic multiplication

Number Theory 2010-03-25 v2 Algebraic Geometry

Abstract

We prove that the abelian KK-surfaces whose endomorphism algebra is a quaternion algebra are parametrized, up to isogeny, by the KK-rational points of the quotient of certain Shimura curves by the group of their Atkin-Lehner involutions.

Keywords

Cite

@article{arxiv.0906.2559,
  title  = {Parametrization of abelian $K$-surfaces with quaternionic multiplication},
  author = {Xavier Guitart and Santiago Molina},
  journal= {arXiv preprint arXiv:0906.2559},
  year   = {2010}
}

Comments

6 pages

R2 v1 2026-06-21T13:13:16.847Z