Some Inequalities Concerning the Polar Derivative of a Polynomial-II

作     者：Abdullah Mir Bilal Dar 

作者机构：Department of Mathematics University of KashmirSrinagar190006 India 

出 版 物：《Analysis in Theory and Applications》 (分析理论与应用（英文刊）)

年 卷 期：2013年第29卷第4期

页      面：384-389页

学科分类：07[理学] 0701[理学-数学] 070101[理学-基础数学] 

基　　金：supported by the University of Kashmir vide No: F (Seed Money Grant) RES/KU/13 

主　　题：Polar derivative of a polynomial. 

摘      要：In this paper, we consider the class of polynomials P（z）= anz^n＋ ∑vn=μan-vz^n-v,1≤μ≤n , having all zeros in ｜z｜≤k, k ≤1 and thereby present an alternative proof, independent of Laguerre＇s theorem, of an inequality concerning the polar derivative of a polynomial.