Quadratic forms representing the $p$-th Fibonacci number

Autor: Berrizbeitia, Pedro, Luca, Florian, Mendoza, Alberto
Rok vydání: 2015
Předmět:
Druh dokumentu: Working Paper
Popis: In this paper, we show that if $p\equiv 1\pmod 4$ is prime, then $4F_p$ admits a representation of the form $u^2-pv^2$ for some integers $u$ and $v$, where $F_n$ is the $n$th Fibonacci number. We prove a similar result when $p\equiv -1\pmod 4$.
Comment: 5 pages
Databáze: arXiv