%0 Journal Article
%T On the Singular Direction of Meromorphic Function<br>亚纯函数的奇异方向
%A Liu Xuekun
%A Wu Zhaojun
%A <br>柳学坤
%A 吴昭君
%J 数学物理学报(A辑)
%D 2007
%I 
%X In this paper,by using Ahlfors' theory of covering surface, the singular directions of meroinorphic functions are discussed. The existence of T direction concerning a rational function is established, which confirms a Zheng's conjecture.
%K Covering surface
%K Borel direction
%K Julia diretion
%K T direction<br>覆盖曲面
%K Borel方向
%K Julia方向
%K T方向.
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=37F46C35E03B4B86&jid=4DB553CDB5F521D8C921082E5C95EC80&aid=45E56ED9809BC6FF1AE9F1273A3F9B92&yid=A732AF04DDA03BB3&vid=DB817633AA4F79B9&iid=94C357A881DFC066&sid=38DB5AF4AD8FDCCA&eid=547650636788ED84&journal_id=1003-3998&journal_name=数学物理学报(A辑)&referenced_num=1&reference_num=18