ESTIMATES OF THE HYPERBOLIC METRIC ON THE TWICE PUNCTURED PLANE

被引:1
|
作者
Kim, Seong-A [1 ]
Ma, Jinxi [2 ]
Ma, William [3 ]
机构
[1] Dongguk Univ, Dept Math Educ, Gyeongju 780714, South Korea
[2] Beihang Univ, Dept Math, Beijing 100083, Peoples R China
[3] Penn Coll Technol, Sch Sci Humanities & Visual Commun, Williamsport, PA 17701 USA
关键词
Hyperbolic metric; Landau's Theorem;
D O I
10.5186/aasfm.2015.4058
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We provide various estimates of the hyperbolic metric on the twice punctured plane C\{0, 1} and apply them to improve Landau's Theorem. We also improve Ahlfors' upper bound for the hyperbolic metric on the twice punctured plane C\{0, 1}.
引用
收藏
页码:875 / 887
页数:13
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