Some Normal Criteria about Shared Values with Their Multiplicity Zeros

Let F be a family of meromorphic functions in the domain D, all of whose zeros are multiple. Let n  (n≥2) be an integer and let a, b be two nonzero finite complex numbers. If f+a(f')n and g+a(g')n share b in D for every pair of functions f,g∈F, then F is normal in D.

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Main Authors: Jianming Qi, Taiying Zhu
Format: Article
Language:English
Published: Wiley 2010-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2010/147878
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author Jianming Qi
Taiying Zhu
author_facet Jianming Qi
Taiying Zhu
author_sort Jianming Qi
collection DOAJ
description Let F be a family of meromorphic functions in the domain D, all of whose zeros are multiple. Let n  (n≥2) be an integer and let a, b be two nonzero finite complex numbers. If f+a(f')n and g+a(g')n share b in D for every pair of functions f,g∈F, then F is normal in D.
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spelling doaj-art-21d836ceac0543e7b34064c5745efe082025-02-03T01:27:35ZengWileyAbstract and Applied Analysis1085-33751687-04092010-01-01201010.1155/2010/147878147878Some Normal Criteria about Shared Values with Their Multiplicity ZerosJianming Qi0Taiying Zhu1Department of Mathematics and Physics, Shanghai Dianji University, Shanghai 200240, ChinaDepartment of Mathematics and Physics, Shanghai Dianji University, Shanghai 200240, ChinaLet F be a family of meromorphic functions in the domain D, all of whose zeros are multiple. Let n  (n≥2) be an integer and let a, b be two nonzero finite complex numbers. If f+a(f')n and g+a(g')n share b in D for every pair of functions f,g∈F, then F is normal in D.http://dx.doi.org/10.1155/2010/147878
spellingShingle Jianming Qi
Taiying Zhu
Some Normal Criteria about Shared Values with Their Multiplicity Zeros
Abstract and Applied Analysis
title Some Normal Criteria about Shared Values with Their Multiplicity Zeros
title_full Some Normal Criteria about Shared Values with Their Multiplicity Zeros
title_fullStr Some Normal Criteria about Shared Values with Their Multiplicity Zeros
title_full_unstemmed Some Normal Criteria about Shared Values with Their Multiplicity Zeros
title_short Some Normal Criteria about Shared Values with Their Multiplicity Zeros
title_sort some normal criteria about shared values with their multiplicity zeros
url http://dx.doi.org/10.1155/2010/147878
work_keys_str_mv AT jianmingqi somenormalcriteriaaboutsharedvalueswiththeirmultiplicityzeros
AT taiyingzhu somenormalcriteriaaboutsharedvalueswiththeirmultiplicityzeros