computation of isomorphisms of hyperelliptic curves and explicit descent.
In Everett W. Howe and Kiran S. Kedlaya, editors,
Proceedings of the Tenth Algorithmic Number Theory Symposium, volume 1 of
The Open Book Series, pages 463-486. Mathematical Sciences Publishers,
We show how to speed up the computation of isomorphisms of
hyperelliptic curves by using covariants. We also obtain new
theoretical and practical results concerning models of these
curves over their field of moduli.
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