Zero-Free Regions for Polynomials and Some Generalizations of Eneström-Kakeya Theorem

Zero-Free Regions for Polynomials and Some Generalizations of Eneström-Kakeya Theorem
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多项式的无零区域和 Eneström-Kakeya 定理的一些推广

DOI:
10.4153/cmb-1984-040-3
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发表时间:
1984
期刊:
Canadian Mathematical Bulletin
影响因子:
--
通讯作者:
Q. Mohammad
Q. Mohammad
中科院分区:
--
文献类型:
--
作者:
A. Aziz;Q. Mohammad

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摘要 在本文中,我们将使用矩阵方法来获得 Eneström 和 Kakeya 关于多项式零点位置的众所周知结果的几种推广。我们还将获得具有复系数的多项式的无零区域。最后我们证明了关于一类多项式零点的一些结果。
Abstract In this paper we shall use matrix methods to obtain several generalizations of a well known result of Eneström and Kakeya about the location of the zeros of polynomials. We shall also obtain zero-free regions of polynomials having complex coefficients. Finally we prove some results concerning the zeros of a class of polynomials.