Publication Date:
2018-03-06
Description:
We study the problem of lifting curves from finite fields to number fields in a genus and gonality preserving way. More precisely, we sketch how this can be done efficiently for curves of gonality at most four, with an in-depth treatment of curves of genus at most five over finite fields of odd characteristic, including an implementation in Magma. We then use such a lift as input to an algorithm due to the second author for computing zeta functions of curves over finite fields using p -adic cohomology.
Print ISSN:
0033-5606
Electronic ISSN:
1464-3847
Topics:
Mathematics
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