Journal
MATHEMATIKA
Volume 65, Issue 4, Pages 929-949Publisher
LONDON MATH SOC
DOI: 10.1112/S002557931900024X
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Funding
- Austrian Science Fund (FWF) [Y-901, F 5512-N26]
- FWF [Y-901]
- FWF project [W1230]
- EPSRC Programme Grant [EP/J018260/1]
- EPSRC [EP/J018260/1] Funding Source: UKRI
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We consider sequences of the form (a(n)alpha)(n) mod 1, where alpha is an element of [0, 1] and where (a(n))(n) is a strictly increasing sequence of positive integers. If the asymptotic distribution of the pair correlations of this sequence follows the Poissonian model for almost all alpha in the sense of Lebesgue measure, we say that (a(n))(n) has the metric pair correlation property. Recent research has revealed a connection between the metric theory of pair correlations of such sequences, and the additive energy of truncations of (a(n))(n). Bloom, Chow, Gafni and Walker speculated that there might be a convergence/divergence criterion which fully characterizes the metric pair correlation property in terms of the additive energy, similar to Khintchine's criterion in the metric theory of Diophantine approximation In the present paper we give a negative answer to such speculations, by showing that such a criterion does not exist. To this end, we construct a sequence (a(n))(n) having large additive energy which, however, maintains the metric pair correlation property.
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