On zero-free regions for the derivative of a polynomial

Autor: A W Manzoor, B A Zargar
Rok vydání: 2016
Předmět:
Zdroj: Bibechana, Vol 14, Iss 0, Pp 48-53 (2016)
ISSN: 2382-5340
2091-0762
Popis: Let Pn denote the set of all polynomials of the form p(z) =z∏n-1j=1(z-zj) with |zj|≥1, 1≤ j≤ n-1. In this paper we shall obtain some zero-free regions for the derivative of a polynomial.BIBECHANA 14 (2017) 48-53
Databáze: OpenAIRE