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math.NT2008
Towards an analogue of Ihara's lemma for Shimura curves
Miriam Ciavarella, Lea Terracini
The object of this work is to present the status of art of an open problem: to provide an analogue for Shimura curves of the Ihara's lemma \cite{Ihara73} which holds for modular cu…
math.NT2008
Some explicit constructions of integral structures in quaternion algebras
Miriam Ciavarella, Lea Terracini
Let B be an undefined quaternion algebra over Q. Following the explicit chacterization of some Eichler orders in B given by Hashimoto, we define explicit embeddings of these orders…