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Some Results Related to a Question of Hinkkanen
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Acta Mathematica Sinica,English Series 2007年 第8期23卷 1405-1412页
作者: Lian Zhong YANG Hong Xun YI School of Mathematics & Systems Science Shandong University Ji'nan 250100 P. R. China
In this paper, we prove several results concerning meromorphic functions f and g of hyperorder less than one such that f^(j) and g^(j) have the same zeros and poles for j=0, 1, 2. We provide some examples to show ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Meromorphic Functions sharing One Value with Their Derivatives Concerning the Difference Operator
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Communications in Mathematics and Statistics 2017年 第4期5卷 407-427页
作者: Sujoy Majumder Department of Mathematics Katwa CollegeBurdwan 713130India Present Address:Department of Mathematics Raiganj UniversityRaiganjWest Bengal 733134India
Let f(z)beanon-constantmeromorphicfunctionoffiniteorder,c∈C\{0}andk∈*** f(z)and f(k)(z+c)share1CM(IM),f(z)and f(z+c)share∞*** N(r,0;f)=S(r,f)(N(r,0;f(z))+N(r,0;f(k)(z+c))=S(r,f)),then either f(z)≡f(k)(z+c)or f(z)i... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论