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Abstract
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We give a very simple and explicit exposition of the effective result on
by Bourgain,
Lindenstrauss, Michel and Venkatesh. Our proof relies on application of the pigeonhole
principle and a simple bound for exponential sums. In particular, we show that for any
and any
there exists
a constant
such that
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for infinitely many
of the form
,
where
.
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Keywords
Furstenberg sequence, density, Diophantine approximation,
exponential sums
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Mathematical Subject Classification
Primary: 11K31, 11J71
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Milestones
Received: 24 January 2023
Revised: 23 July 2023
Accepted: 12 September 2023
Published: 8 December 2023
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Publishers). |
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