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Sums of monomials with large Mahler measure
- Source :
- Journal of Approximation Theory. 197:49-61
- Publication Year :
- 2015
- Publisher :
- Elsevier BV, 2015.
-
Abstract
- For n ? 1 let A n ? { P : P ( z ) = ? j = 1 n z k j : 0 ? k 1 < k 2 < ? < k n , k j ? Z } , that is, A n is the collection of all sums of n distinct monomials. These polynomials are also called Newman polynomials. If α < β are real numbers then the Mahler measure M 0 ( Q , α , β ] ) is defined for bounded measurable functions Q ( e i t ) on α , β ] as M 0 ( Q , α , β ] ) ? exp ( 1 β - α ? α β log | Q ( e i t ) | d t ) . Let I ? α , β ] . In this paper we examine the quantities L n 0 ( I ) ? sup P ? A n M 0 ( P , I ) n and L 0 ( I ) ? lim inf n ? ∞ L n 0 ( I ) with 0 < | I | ? β - α ? 2 π .
Details
- ISSN :
- 00219045
- Volume :
- 197
- Database :
- OpenAIRE
- Journal :
- Journal of Approximation Theory
- Accession number :
- edsair.doi...........42c35eebbbd0da57e5e2bef8e40fdd15