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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Translation properties of sets of positive upper density
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by Vitaly Bergelson and Benjamin Weiss PDF
Proc. Amer. Math. Soc. 94 (1985), 371-376 Request permission

Abstract:

Generalizing a result of Raimi we show that there exists a set $E \subset {\mathbf {N}}$ such that if $A \subset {\mathbf {N}}$ is a set with positive upper density, then there exists a number $k \in {\mathbf {N}}$ such that ${d^ * }((A + k) \cap E) > 0$ and ${d^ * }((A + k) \cap {E^c}) > 0$. Some extensions and further results are also obtained.
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Additional Information
  • © Copyright 1985 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 94 (1985), 371-376
  • MSC: Primary 11K16
  • DOI: https://doi.org/10.1090/S0002-9939-1985-0787875-3
  • MathSciNet review: 787875