Elliptic Curves with Large Rank over Function Fields

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چکیده

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Elliptic Curves with Large Rank over Function Fields

We produce explicit elliptic curves over Fp(t) whose Mordell-Weil groups have arbitrarily large rank. Our method is to prove the conjecture of Birch and Swinnerton-Dyer for these curves (or rather the Tate conjecture for related elliptic surfaces) and then use zeta functions to determine the rank. In contrast to earlier examples of Shafarevitch and Tate, our curves are not isotrivial. Asymptoti...

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By the Mordell-Weil theorem the group of Q(z)-rational points of an elliptic curve is finitely generated. It is not known whether the rank of this group can get arbitrary large as the curve varies. Mestre and Nagao have constructed examples of elliptic curves E with rank at least 13. In this paper a method is explained for finding a 14th independent point on E, which is defined over k(z), with ...

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This note presents a connection between Ulmer’s construction [Ulm02] of non-isotrivial elliptic curves over Fp(t) with arbitrarily large rank, and the theory of Heegner points (attached to parametrisations by Drinfeld modular curves, as sketched in section 3 of the article [Ulm03] appearing in this volume). This ties in the topics in section 4 of [Ulm03] more closely to the main theme of this p...

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ژورنال

عنوان ژورنال: The Annals of Mathematics

سال: 2002

ISSN: 0003-486X

DOI: 10.2307/3062158