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math.NT2026
On a Diophantine Equation Involving Lucas Numbers
Seyran S. Ibrahimov, Nazim I. Mahmudov
Let L_t denote the t-th Lucas number. We prove that the Diophantine equation L_m^{n+k} + L_m^n = L_r has no solutions in positive integers r, m, n, and k with m >= 2. In the case n…
math.NT2024
On the Diophantine Equation
Seyran S. Ibrahimov, Nazim I. Mahmudov
In this paper, we examine the Diophantine problem given by the equation , where and . Here, denotes…
math.NT2024
A Pillai-Catalan-type problem involving Fibonacci numbers
Seyran S. Ibrahimov, Nazim I. Mahmudov
This paper addresses A Pillai-Catalan-type problem assosiated with Fibonacci numbers. Let be the Fibonacci numbers defined by the recurrence relation , a…