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Moments of the Rank of Elliptic Curves

Published online by Cambridge University Press:  20 November 2018

Steven J. Miller  and
Siman Wong
Steven J. Miller
Affiliation:
Department of Mathematics and Statistics, Williams College, Williamstown, MA 01267, U.S.A. email: siman@math.umass.edu
Siman Wong
Affiliation:
Department of Mathematics and Statistics, University of Massachusetts, Amherst, MA 01003-4515, U.S.A email: sjm1@williams.edu
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Abstract

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Fix an elliptic curve $E/\mathbf{Q}$ and assume the Riemann Hypothesis for the $L$ -function $L({{E}_{D}},\,s)$ for every quadratic twist ${{E}_{D}}$ of $E$ by $D\,\in \,\mathbf{Z}$ . We combine Weil's explicit formula with techniques of Heath-Brown to derive an asymptotic upper bound for the weighted moments of the analytic rank of ${{E}_{D}}$ . We derive from this an upper bound for the density of low-lying zeros of $L({{E}_{D}},\,s)$ that is compatible with the randommatrixmodels of Katz and Sarnak. We also show that for any unbounded increasing function $f$ on $\mathbf{R}$ , the analytic rank and (assuming in addition the Birch and Swinnerton-Dyer conjecture) the number of integral points of ${{E}_{D}}$ are less than $f(D)$ for almost all $D$ .

Keywords

11G0511G40elliptic curveexplicit formulaintegral pointlow-lying zerosquadratic twistrank

Information

Type
Research Article
Information
Canadian Journal of Mathematics , Volume 64 , Issue 1 , 01 February 2012 , pp. 151 - 182
Copyright
Copyright © Canadian Mathematical Society 2012

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