| 摘要: |
| 本文研究了圆环域U*内亚纯星象和凸象函数的某些新子类的拟Hadamard卷积.利用卷积方法,获得了该类函数的与拟Hadamard卷积有关的某些性质,推广了一些已知结果. |
| 关键词: 解析函数 亚纯 星象 凸象 拟Hadamard卷积 |
| DOI： |
| 分类号:O174.51 |
| 基金项目:Supported by National Natural Science Foundation of China (11271045);Research Fund for the Doctoral Program of China (20100003110004);Natural Science Foundation of Inner Mongolia (2010MS0117) and Higher School Foundation of Inner Mongolia (NJzc08160). |
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| QUASI-HADAMARD PRODUCT OF MEROMORPHIC UNIVALENT FUNCTIONS AT INFINITY |
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TANG Huo1,2, DENG Guan-tie1, LI Shu-hai2
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1.School of Mathematical Sciences, Beijing Normal University, Beijing 100875, China;2.School of Mathematics and Statistics, Chifeng University, Chifeng 024000, China
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| Abstract: |
| In this paper, we study quasi-Hadamard product problem for certain new subclasses of meromorphic starlike and convex functions in the punctured disk U*. By using the method of convolution, we derive some results associated with the quasi-Hadamard product of functions belonging to these subclasses, which generalizes some known results. |
| Key words: analytic functions meromorphic starlike convex quasi-Hadamard product |
