On zero-free regions for the derivative of a polynomial

Autor: B A Zargar, A W Manzoor
Jazyk: angličtina
Rok vydání: 2016
Předmět:
Zdroj: Bibechana, Vol 14 (2016)
Druh dokumentu: article
ISSN: 2091-0762
2382-5340
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
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