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Abstract and Applied Analysis
Volume 2012 (2012), Article ID 570324, 18 pages
Research Article

A Fundamental Inequality of Algebroidal Function

1School of Applied Mathematics, Guangdong University of Technology, Guangdong, Guangzhou 510520, China
2School of Mathematics, South China Normal University, Guangdong, Guangzhou 510631, China

Received 8 September 2012; Accepted 21 October 2012

Academic Editor: Ahmed El-Sayed

Copyright © 2012 Yingying Huo and Daochun Sun. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


By using a new mapping of Ahlfors covering surfaces, a fundamental inequality in the angular domain for the algebroidal function is obtained.