Inequalities for the Polar Derivative of a Polynomial

来源 :理论数学进展(英文) | 被引量 : 0次 | 上传用户:lele
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
If is a polynomial of degree , having all its zeros in |z|≤K, K≥1 , then it was proved by Aziz and Rather [2] that for every real or complex number with |a| ≥K, . In this paper, we sharpen above result for the polynomials p(z) of degree n>3
其他文献
In this paper, we give solvability conditions for three open problems of nonnegative inverse eigenvalues problem (NIEP) which were left hanging in the air up to
In this paper, we first summarize several applications of the flux approximation method on hyperbolic conservation systems. Then, we introduce two hyperbolic co
我国是个农业大国,农村人口约占68%,农村经济是国家重要的基础性经济,其发展状况直接影响到整个国家经济前进的步伐。目前农村经济状况可以用“三低”来形容,即投入产出比率低,科技
膀胱癌是最常见的恶性肿瘤,其发病率占泌尿系统疾病的首位,也是男性最易罹患的肿瘤之一[1-2]。本研究作者对本院收治的68例膀胱癌患者采用注射维生素C联合维生素K3药物治疗,
朝阳煤矿3205通道在掘进过程中即将遇到凫山支断层,为了查明断层位置、赋水和导水情况,采用了矿井瞬变电磁法和震波超前探测法(MSP)相结合的方法进行探测。通过井下探放水钻孔及
Let be a metric continuum. Let , is said to make a hole in , if is not unico-herent. In this paper, we characterize elements such that makes a hole in , where i
We consider a generalization of the Radon-Schmid transform on coherent D-modules of sheaves of holomorphic complex bundles inside a moduli space, with the purpo
The Sylow graph of a finite group originates from recent investigations on certain classes of groups, defined in terms of normalizers of Sylow subgroups. The co
This article is a review and promotion of the study of solutions of differential equations in the “neighborhood of infinity” via a non traditional compactific
以龙王沟项目部副斜井粉尘治理工作为出发点,深入分析了岩巷综掘工作面粉尘来源、粉尘浓度分布规律,并结合实际,采取适宜的综合防尘技术,大大降低了综掘期间粉尘浓度,为职工