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Some remarks on a theorem of Parent and generalizing Ogg's conjecture

Published online by Cambridge University Press:  01 September 2009

S. KAMIENNY*
Affiliation:
Department of Mathematics, University of Southern California, 3620 S. Vermont Ave., Los Angeles, CA 90089-2532, U.S.A. e-mail: kamienny@usc.edu

Abstract

We carry out an Eisenstein prime descent to prove the finiteness of the Mordell-Weil group of the Eisenstein quotients of J1(p) for certain values of p that are relevant to torsion in elliptic curves over cubic fields. We then use this to recover some results of Parent. Our methods suggest a possible generalization of Ogg's conjecture for torsion in elliptic curves over number fields.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 2009

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