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Level optimization in the totally real case

K. Fujiwara
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Abstract

In this paper, congruences between holomorphic Hilbert modular forms are studied. We show the best possible level optimization result outside l for l > 2 by solving the remaining case of Mazur principle when the degree of the totally real field is even.

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K. Fujiwara. 2006-02-27. Level optimization in the totally real case. https://arxiv.org/abs/math/0602586

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