The uniqueness problem for meromorphic functions in the unit disc sharing values and a set in an angular domain

• Autores: Hong-Yan Xu, Cai-Feng Yi, Ting-Bin Cao
• Localización: Mathematica scandinavica, ISSN 0025-5521, Vol. 109, Nº 2, 2011, págs. 240-252
• Idioma: inglés
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• Resumen

  • We investigate the uniqueness problem for meromorphic functions in the unit disc sharing four distinct values and one set in an angular domain, and obtain some relations between the Borel points and shared values of meromorphic functions in an angular domain. These results improve the theorem of Mao-Liu [10].