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Original scientific paper

https://doi.org/10.3336/gm.57.2.02

On the multiplicity in Pillai's problem with Fibonacci numbers and powers of a fixed prime

Herbert Batte orcid id orcid.org/0000-0003-3882-0189 ; Department of Mathematics, Makerere University, Kampala, Uganda
Mahadi Ddamulira orcid id orcid.org/0000-0002-4273-0066 ; Department of Mathematics, Makerere University, Kampala, Uganda
Juma Kasozi ; Department of Mathematics, Makerere University, Kampala, Uganda
Florian Luca orcid id orcid.org/0000-0003-1321-4422 ; School of Mathematics, University of the Witwatersrand, Johannesburg, South Africa


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Abstract

Let \( \{F_n\}_{n\geq 0} \) be the sequence of Fibonacci numbers and let \(p\) be a prime. For an integer \(c\) we write \(m_{F,p}(c)\) for the number of distinct representations of \(c\) as \(F_k-p^\ell\) with \(k\ge 2\) and \(\ell\ge 0\). We prove that \(m_{F,p}(c)\le 4\).

Keywords

Fibonacci numbers, prime numbers, linear forms in logarithms, Pillai's problem

Hrčak ID:

289603

URI

https://hrcak.srce.hr/289603

Publication date:

30.12.2022.

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