Distortion Theorems and Schlicht Radius for $p$-Bloch Functions
Received:July 25, 2011  Revised:February 20, 2012
Key Words: $p$-Bloch functions   distortion theorems   schlicht radius   Julia' lemma.  
Fund Project:Supported by the National Natural Science Foundation of China (Grant No.11001246) and Natural Science Foundation of Zhejiang Province (Nos.D7080080; Y6090694).
Author NameAffiliation
Xiaohui ZHENG Department of Mathematics and Physics, Information Engineering, Zhejiang Normal University, Zhejiang 321004, P. R. China 
Jianfei WANG Department of Mathematics and Physics, Information Engineering, Zhejiang Normal University, Zhejiang 321004, P. R. China 
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Abstract:
      In this paper, we establish distortion theorems for both normalized $p$-Bloch functions with branch points and normalized locally univalent $p$-Bloch functions defined on the unit disk, respectively. These distortion theorems give lower bounds on $| f'(z)|$ and $\Re f'(z)$. As applications of these distortion theorems, the lower bounds of the radius of the largest schlicht disk on these Bloch functions are given, respectively. Notice that when $p=1$, our results reduce to that of Liu and Minda.
Citation:
DOI:10.3770/j.issn:2095-2651.2013.01.005
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