Publication date: 30 December 2022
Volume: Vol 57
Issue: Svezak 2
Pages: 185-201
DOI: https://doi.org/10.3336/gm.57.2.02
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.org/0000-0003-3882-0189
; Department of Mathematics, Makerere University, Kampala, Uganda
Mahadi Ddamulira
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.org/0000-0003-1321-4422
; School of Mathematics, University of the Witwatersrand, Johannesburg, South Africa
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 \(m_{F,p}(c)\le 4\).
Fibonacci numbers, prime numbers, linear forms in logarithms, Pillai's problem
289603
30.12.2022.
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