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Geometric progressions in syndetic sets

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Abstract

An open problem about finite geometric progressions in syndetic sets leads to a family of diophantine equations related to the commutativity of translation and multiplication by squares.

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Acknowledgements

I wish to thank B.R. Patil for introducing me to this subject at the ICTS Workshop on Additive Combinatorics in Bangalore in March, 2020.

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Correspondence to Melvyn B. Nathanson.

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This research was supported in part by the International Centre for Theoretical Sciences (ICTS) during a visit for the program—Workshop on Additive Combinatorics (Code: ICTS/Prog-wac2020/02).

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Nathanson, M.B. Geometric progressions in syndetic sets. Arch. Math. 115, 413–417 (2020). https://doi.org/10.1007/s00013-020-01488-7

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  • DOI: https://doi.org/10.1007/s00013-020-01488-7

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