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
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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