期刊
ISRAEL JOURNAL OF MATHEMATICS
卷 222, 期 1, 页码 463-485出版社
HEBREW UNIV MAGNES PRESS
DOI: 10.1007/s11856-017-1597-5
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资金
- Austrian Science Fund (FWF) by an FWF Schrodinger scholarship
- FWF project [I1751-N26, F5507-N26]
- FWF START project [Y-901]
- Austrian Science Fund (FWF) [I1751] Funding Source: Austrian Science Fund (FWF)
For a sequence of integers {a(x)} (xae1) we show that the distribution of the pair correlations of the fractional parts of {aOE (c)alpha a(x)>} (xae1) is asymptotically Poissonian for almost all alpha if the additive energy of truncations of the sequence has a power savings improvement over the trivial estimate. Furthermore, we give an estimate for the Hausdorff dimension of the exceptional set as a function of the density of the sequence and the power savings in the energy estimate. A consequence of these results is that the Hausdorff dimension of the set of alpha such that {aOE (c)alpha x (d) >} fails to have Poissonian pair correlation is at most . This strengthens a result of Rudnick and Sarnak which states that the exceptional set has zero Lebesgue measure. On the other hand, classical examples imply that the exceptional set has Hausdorff dimension at least . An appendix by Jean Bourgain was added after the first version of this paper was written. In this appendix two problems raised in the paper are solved.
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