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涉及分担值的亚纯函数族正规族

Normality Families of Meromorphic Functions Concerning Shared Values
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摘要 利用分担值的思想证明了:设n(n≥3),a≠0、b是两个有穷复数,D是复平面C的一个区域,F是区域D中的一族亚纯函数,其中每个函数极点的重级至少是3,零点的重级至少是2.若对于F中的任意两个函数f、g,f'-afn与g'-agn在D内分担b,则F在D内正规. The results are proved as follow by used the idea of shared value: a family Fof meromorphic functions, all of whose poles have multiplicity at least 3 and all of whose zeros have multiplicity at least 2 in a domain D , is normal, if for each pair of functions f and g in F , f′-af^n and g′-ag^nshare a value binD, where n(≥3) is a positive integers and a(≠0),b are 2 finite constants.
出处 《五邑大学学报(自然科学版)》 CAS 2013年第1期16-20,共5页 Journal of Wuyi University(Natural Science Edition)
基金 国家自然科学基金资助项目(No.11126327) 广东省自然科学基金资助项目(S2011010000735)
关键词 亚纯函数 正规族 微分多项式 meromorphic function normal family differential polynomials
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