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NUMERICAL APPROXIMATION OF THE MASSER-GRAMAIN CONSTANT TO FOUR DECIMAL DIGITS: δ =1.819...

By Guillaume Melquiond, W. Georg Nowak and Paul Zimmermann

Abstract

Abstract. We prove that the constant δ studied by Masser, Gramain, and Weber, satisfies 1.819776 <δ<1.819833, and disprove a conjecture of Gramain. This constant is a two-dimensional analogue of the Euler-Mascheroni constant; it is obtained by computing the radius rk of the smallest disk of the plane containing k Gaussian integers. While we have used the original algorithm for smaller values of k, the bounds above come from methods we developed to obtain guaranteed enclosures for larger values of k. 1

Topics: n∑
Year: 2013
OAI identifier: oai:CiteSeerX.psu:10.1.1.353.3184
Provided by: CiteSeerX
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