Uniqueness of two analytic functions sharing four values in an angular domain

Volume 99 / 2010

Hong-Yan Xu, Ting-Bin Cao Annales Polonici Mathematici 99 (2010), 55-65 MSC: 30D30, 30D35. DOI: 10.4064/ap99-1-5


We deal with the uniqueness problem for analytic functions sharing four distinct values in an angular domain and obtain some theorems which improve the result given by Cao and Yi [J. Math. Anal. Appl. 358 (2009)].


  • Hong-Yan XuDepartment of Informatics and Engineering
    Jingdezhen Ceramic Institute (XiangHu XiaoQu)
    Jingdezhen, Jiangxi 333403, China
  • Ting-Bin CaoDepartment of Mathematics
    Nanchang University
    Nanchang, Jiangxi 330031, China

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