Number theory
ABC and the Hasse principle for quadratic twists of hyperelliptic curves
[ABC et le principe de Hasse pour les tordues de courbes hyperelliptiques]
Comptes Rendus. Mathématique, Tome 356 (2018) no. 9, pp. 911-915.

En supposant la conjecture ABC, nous utilisons un travail de Granville pour montrer qu'une courbe hyperelliptique C/Q de genre au moins trois a une infinité de tordues quadratiques, qui violent le principe de Hasse si et seulement si elle n'a pas de point de branchement hyperelliptique rationnel sur Q.

Conditionally on the ABC conjecture, we apply work of Granville to show that a hyperelliptic curve C/Q of genus at least three has infinitely many quadratic twists that violate the Hasse Principle iff it has no Q-rational hyperelliptic branch points.

Reçu le :
Accepté le :
Publié le :
DOI : 10.1016/j.crma.2018.07.007
Clark, Pete L. 1 ; Watson, Lori D. 1

1 Department of Mathematics, University of Georgia, Athens, GA 30606, United States
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Clark, Pete L.; Watson, Lori D. ABC and the Hasse principle for quadratic twists of hyperelliptic curves. Comptes Rendus. Mathématique, Tome 356 (2018) no. 9, pp. 911-915. doi : 10.1016/j.crma.2018.07.007. http://www.numdam.org/articles/10.1016/j.crma.2018.07.007/

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