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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 2024 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Product of difference sets of the set of primes
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by Sayan Goswami;
Proc. Amer. Math. Soc. 151 (2023), 5081-5086
DOI: https://doi.org/10.1090/proc/16478
Published electronically: September 20, 2023

Abstract:

In a recent work, A. Fish [Proc. Amer. Math. Soc. 146 (2018), pp. 3449–3453] proved that if $E_{1}$ and $E_{2}$ are two subsets of $\mathbb {Z}$ of positive upper Banach density, then there exists $k\in \mathbb {Z}$ such that $k\cdot \mathbb {Z}\subset \left (E_{1}-E_{1}\right )\cdot \left (E_{2}-E_{2}\right ).$ In this article we will show that a similar result is true for the set of primes $\mathbb {P}$ (which has density $0$). We will prove that there exists $k\in \mathbb {N}$ such that $k\cdot \mathbb {N}\subset \left (\mathbb {P}-\mathbb {P}\right )\cdot \left (\mathbb {P}-\mathbb {P}\right ),$ where $\mathbb {P}-\mathbb {P}=\left \{ p-q:p>q\text { and }p,q\in \mathbb {P}\right \} .$
References
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Bibliographic Information
  • Sayan Goswami
  • Affiliation: The Institute of Mathematical Sciences, A CI of Homi Bhabha National Institute, CIT Campus, Taramani, Chennai 600113, India
  • Email: sayan92m@gmail.com, sayangoswami@imsc.res.in
  • Received by editor(s): October 24, 2022
  • Received by editor(s) in revised form: October 24, 2022, October 31, 2022, February 8, 2023, March 7, 2023, and March 9, 2023
  • Published electronically: September 20, 2023
  • Communicated by: Katrin Gelfert
  • © Copyright 2023 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 151 (2023), 5081-5086
  • MSC (2020): Primary 05D10; Secondary 11E25, 11T30
  • DOI: https://doi.org/10.1090/proc/16478
  • MathSciNet review: 4648910