| 两类外部区域的单叶性内径 |
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| 引用本文： | 刘晓毅.两类外部区域的单叶性内径[J].常熟理工学院学报,2009,23(4):19-21. |
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| 作者姓名： | 刘晓毅 |
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| 作者单位： | 常熟理工学院数学系,江苏,常熟,215500 |
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| 摘 要： | 得到了扇形外部区域的Schwam导数单叶性内径以及三角形外部区域的对数导数单叶性内径的一个下界估计．
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| 关 键 词： | Schwarz导数 对数导数 单叶性内径 |
The Inner Radius of Univalency of Two Exterior Domains |
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| LIU Xiao-yi.The Inner Radius of Univalency of Two Exterior Domains[J].Journal of Changshu Institute of Technology,2009,23(4):19-21. |
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| Authors: | LIU Xiao-yi |
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| Institution: | Department of Mathematics;Changshu Institute of Technology;Changshu 215500;China |
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| Abstract: | We get the Schwarzian derivative inner radius of univalency for the exterior of the fan-shaped domain. Also we estimate the pre-Schwarzian derivative inner radius of univalency for the exterior of the triangle. |
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| Keywords: | Sohwarzian derivative pre-Schwarzian derivative inner radius of univalency |
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