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Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(online) ISSN 0025-5718(print)

 

Polynomials with small Mahler measure


Author: Michael J. Mossinghoff
Journal: Math. Comp. 67 (1998), 1697-1705
MSC (1991): Primary 12--04; Secondary 11Y40
Supplement: Additional information related to this article.
MathSciNet review: 1604391
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Abstract: We describe several searches for polynomials with integer coefficients and small Mahler measure. We describe the algorithm used to test Mahler measures. We determine all polynomials with degree at most 24 and Mahler measure less than $1.3$, test all reciprocal and antireciprocal polynomials with height 1 and degree at most 40, and check certain sparse polynomials with height 1 and degree as large as 181. We find a new limit point of Mahler measures near $1.309$, four new Salem numbers less than $1.3$, and many new polynomials with small Mahler measure. None has measure smaller than that of Lehmer's degree 10 polynomial.


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Additional Information

Michael J. Mossinghoff
Affiliation: Department of Mathematical Sciences, Appalachian State University, Boone, North Carolina 28608
Email: mjm@math.appstate.edu

DOI: http://dx.doi.org/10.1090/S0025-5718-98-01006-0
PII: S 0025-5718(98)01006-0
Keywords: Lehmer's problem, Mahler measure
Received by editor(s): May 20, 1997
Article copyright: © Copyright 1998 American Mathematical Society