Bert van Geemen

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We explicitly identify infinitely many curves which are quotients of Fermat curves. We show that some of these have simple Jacobians with complex multiplication by a non-cyclotomic field. For a particular case we determine the local zeta functions with two independent methods. The first uses Jacobi sums and the second applies the general theory of complex(More)
In this paper, Hecke eigenvalues of several automorphic forms for congruence subgroups of SL(3; Z) are listed. To compute such tables, we describe an algorithm which combines techniques developed by Ash, Grayson and Green with the Lenstra{Lenstra{Lovv asz algorithm. With our implementation of this new algorithm we were able to handle much larger levels than(More)
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