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Apr 13, 2017 at 12:58 history edited CommunityBot
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Feb 8, 2011 at 8:33 comment added jvo @David Hansen: Thanks for pointing this out!
Feb 8, 2011 at 8:33 comment added jvo @Barry Lyndon: Oh, I see. I had been wondering why no one seems to work directly with Hilbert modular varieties in these constructions ... I suppose this also explains the importance of Jacquet-Langlands correspondence (to reduce to the study of Shimura curves) in the work of Carayol and others. Thanks for pointing this out.
Feb 7, 2011 at 22:11 comment added David Hansen @vo: Hilbert modular varieties don't have Jacobians, they have Albaneses, and these tend to be trivial!
Feb 7, 2011 at 8:32 comment added jvo Thanks for this reply, this is exactly the kind of answer I was looking for! Incidentially, on the topic of conditions imposed by Shimura curves, does the analogous construction via Hilbert modular varieties not work too? That is, start with a Hilbert modular eigenform of parallel weight 2, viewed as a function on some associated Hilbert modular variety Y which equipped with an algebra of Hecke correspondences. Let J be the jacobian of Y, with T the subalgebra of $\End(J)$ generated by Hecke correspondences. The eigenform gives rise to a homomorphism as above, with kernel $I$. Let $A=J/I$?
Feb 7, 2011 at 8:23 vote accept jvo
Feb 6, 2011 at 22:23 history answered user631 CC BY-SA 2.5