Fast computation of isomorphisms of hyperelliptic curves and explicit Galois descent
classification
🧮 math.AG
math.NT
keywords
curvescomputationhyperellipticisomorphismsconcerningcovariantsdescentexplicit
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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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