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Explicit n-descent on elliptic curves, I. Algebra

John Cremona, Tom Fisher, Cathy O'Neil, Denis Simon, Michael Stoll

math.NTarXiv:math/0606580

Abstract

This is the first in a series of papers in which we study the n-Selmer group of an elliptic curve, with the aim of representing its elements as genus one normal curves of degree n. The methods we describe are practical in the case n=3 for elliptic curves over the rationals, and have been implemented in Magma.

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