| 星象函数的d*/d的估计 |
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| 引用本文： | 高建福.星象函数的d*/d的估计[J].怀化学院学报,1993(6). |
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| 作者姓名： | 高建福 |
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| 作者单位： | 山西省忻州师专数学系 034000 |
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| 摘 要： | 设S是单位园盘D={z;||z|<1}内的单叶解析函数族,其中的函数f(z)映射D为关于w=0的星象区域用r=r(f)表示f(z)的凸性半径. 本文中证明了,其中
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| 关 键 词： | 星象函数 凸包 从属性 径向极限 凸性半径 |
Estimate of d~*/d for starlike Functions |
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| Gao Jianfu.Estimate of d~*/d for starlike Functions[J].Journal of Huaihua University,1993(6). |
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| Authors: | Gao Jianfu |
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| Institution: | Depart of Math Xinzhou Teachers' college |
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| Abstract: | Let s be the class of functions f(z) analytic, univalent in the unit disk D = {z;||z| < l} and map D onto a region which is starlike with respect to w = 0 and denoted by Df Let r=r(f) be the r adius of convexity of f(z).
In this peper we prove the following result: |
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| Keywords: | starlike functions convex hull subordinations radial limit radius of conveity |
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