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1998 Mahler's measure and special values of {$L$}-functions
David W. Boyd
Experiment. Math. 7(1): 37-82 (1998).

Abstract

If $P(x_1$,\,\dots,\,$x_n)$ is a polynomial with integer coefficients, the Mahler measure $M(P)$ of $P$ is defined to be the geometric mean of $|P|$ over the $n$-torus $\T ^n$. For $n = 1$, $M(P)$ is an algebraic integer, but for $n$\raise.5pt\hbox{\footnotesize\mathversion{bold}${}>{}$}$1$, there is reason to believe that $M(P)$ is usually transcendental. For example, Smyth showed that $\log M(1+x+y)=L'(${\mathversion{normal}$\chi$}$_{-3}$,$\,{-}1)$, where {\mathversion{normal}$\chi$}$_{-3}$ is the odd Dirichlet character of conductor $3$. Here we will describe some examples for which it appears that $\log M(P(x$,$\,y)) = r@@L'(E$,$\,0)$, where $E$ is an elliptic curve and $r$ is a rational number, often either an integer or the reciprocal of an integer. Most of the formulas we discover have been verified numerically to high accuracy but not rigorously proved.

Citation

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David W. Boyd. "Mahler's measure and special values of {$L$}-functions." Experiment. Math. 7 (1) 37 - 82, 1998.

Information

Published: 1998
First available in Project Euclid: 14 March 2003

zbMATH: 0932.11069
MathSciNet: MR1618282

Subjects:
Primary: 11G40
Secondary: 11R06 , 11Y35

Keywords: $L$-function , Beilinson conjectures , computation , Elliptic curve , Mahler measure , polynomials

Rights: Copyright © 1998 A K Peters, Ltd.

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Vol.7 • No. 1 • 1998
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