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An explicit dense universal Hilbert set

Published online by Cambridge University Press:  20 June 2018

MICHAEL FILASETA
Affiliation:
Department of Mathematics, LeConte College, 1523 Greene Street, University of South Carolina, Columbia, SC 29208U.S.A. e-mails: [email protected], [email protected]
ROBERT WILCOX
Affiliation:
Department of Mathematics, LeConte College, 1523 Greene Street, University of South Carolina, Columbia, SC 29208U.S.A. e-mails: [email protected], [email protected]

Abstract

We provide the first explicit example of a universal Hilbert set ${\Ncal S}$ having asymptotic density 1 in the set of integers. More precisely, the number of integers not in ${\Ncal S}$ with absolute value ≤ X is bounded by X/(log X)δ, where δ = 1 − (1 + loglog 2)/(log 2) = 0.086071. . ..

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 2018 

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