On characteristic polynomial of higher order generalized Jacobsthal numbers

Autor: Diego Marques, Pavel Trojovský
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Advances in Difference Equations, Vol 2019, Iss 1, Pp 1-9 (2019)
Druh dokumentu: article
ISSN: 1687-1847
DOI: 10.1186/s13662-019-2327-6
Popis: Abstract In this paper, we study a higher order generalization of the Jacobsthal sequence, namely, the (k,c) $(k,c)$-Jacobsthal sequence (Jn(k,c)) $(J^{(k,c)}_{n})$ for any integers n, k≥2 $k\geq 2$ and a real number c>0 $c>0$. In particular, we find information about roots of its characteristic polynomial. For that purpose, we combine some powerful tools such as Marden’s method, the Perron–Frobenius theorem, and the Eneström–Kakeya theorem.
Databáze: Directory of Open Access Journals
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