Paper #1247

Title:

Congruences between modular forms and lowering the level mod l^n

Authors:

Luis Dieulefait and Xavier Taixés

Date:

April 2008

Abstract:

In this article we study the behavior of inertia groups for modular Galois mod l^n representations and in some cases we give a generalization of Ribet’s lowering the level result (cf. [Rib90]).

Published in:

Journal de Théorie des Nombres de Bordeaux, 21, 1, p. 109-118, 2009

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