On a density conjecture about unit fractions (with an appendix by Thomas F. Bloom and Bhavik Mehta)
Thomas F. Bloom
University of Oxford, Oxford, UK
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Abstract
We prove that any set of positive upper density contains a finite such that , answering a question of Erdős and Graham.
Cite this article
Thomas F. Bloom, On a density conjecture about unit fractions (with an appendix by Thomas F. Bloom and Bhavik Mehta). J. Eur. Math. Soc. (2024), published online first
DOI 10.4171/JEMS/1456