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arXiv 2008.09344math.CV
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限制和非限制序亚纯函数的两个和三个公共集的唯一性问题

Two and three shared sets uniqueness problem on restricted and unrestricted ordered meromorphic functions

Abhijit Banerjee, Saikat Bhattacharyya

摘要:

本文主要研究了两个亚纯函数在两个公共集问题的域上的唯一性问题,并给出了相应的限制条件,从而改进了{P. Sahoo和H. Karmakar,与两个集合的加权共享相关的唯一性定理,Acta Univ. Sapientiae,Mathematica,10(2)(2018),329-339}和{P. Sahoo和A. Sarkar,关于亚纯函数分担两个集合的唯一性,Bol. Soc. Mat.墨西哥,(2019),1-7}。特别指出了{P. Sahoo和H. Karmakar,与两个集合的加权共享相关的唯一性定理,Acta Univ. Sapientiae,Mathematica,10(2)(2018),329-339}和{P. Sahoo和A. Sarkar,关于亚纯函数分担两个集合的唯一性,Bol. Soc. Mat.墨西哥,(2019),1-7}。在{P. Sahoo和H. Karmakar,与两个集合的加权共享相关的唯一性定理,Acta Univ. Sapientiae,Mathematica,10(2)(2018),329-339}和{P. Sahoo和A. Sarkar,关于亚纯函数分担两个集合的唯一性,Bol. Soc. Mat.墨西哥,(2019),1-7},以分享额外的单身为代价。我们提供了一些例子来说明我们的结果中的一些条件是必要的。

英文摘要:

In this paper we have mainly focused on the uniqueness of two meromorphic functions under the realm of two shared sets problem with certain restrictions which in turn improve the results of { P. Sahoo and H. Karmakar, Uniqueness theorems related to weighted sharing of two sets, Acta Univ. Sapientiae, Mathematica, 10(2) (2018), 329-339} and {P. Sahoo and A. Sarkar, On the uniqueness of meromorphic functions sharing two sets, Bol. Soc. Mat. Mex., (2019), 1-7}. In particular, pointing out some gaps in the statements of the results in { P. Sahoo and H. Karmakar, Uniqueness theorems related to weighted sharing of two sets, Acta Univ. Sapientiae, Mathematica, 10(2) (2018), 329-339} and {P. Sahoo and A. Sarkar, On the uniqueness of meromorphic functions sharing two sets, Bol. Soc. Mat. Mex., (2019), 1-7}. we have removed the order restrictions on the main results in { P. Sahoo and H. Karmakar, Uniqueness theorems related to weighted sharing of two sets, Acta Univ. Sapientiae, Mathematica, 10(2) (2018), 329-339} and {P. Sahoo and A. Sarkar, On the uniqueness of meromorphic functions sharing two sets, Bol. Soc. Mat. Mex., (2019), 1-7} at the cost of sharing of an additional singleton. A number of examples have been provided by us to show some conditions in our results are essential.

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