Sur les représentations $p$-adiques géométriques de conducteur 1 et de dimension 2 de $G_{\Q}$
arXiv:math/0406576
Abstract
We prove that there is no geometric $p$-adic representation of the Galois group of $\Q$ which is irreducible, of dimension 2, of conductor 1 and low weight, according to a conjecture of Fontaine and Mazur.