亚纯函数及其导数迭代级的进一步结果  

Further Results about Iterated Order of Meromorphic Functions with Their Derivatives

作　　者：马洪伟[1] 戚建明 陈巧玉 MA Hongwei;Ql Jianming;CHEN Qiaoyu(Buyinrss School Shanghai Diartji University,Shanfihai 201306,China;School of Statistics and Mathematics,Shanghai Lixin University of Accounting and Finance,Shanghai 201620,China)

机构地区：[1]上海电机学院商学院,上海201306 [2]上海立信会计金融学院统计与数学学院,上海201620

出　　处：《复旦学报（自然科学版）》2019年第5期570-574,585,共6页Journal of Fudan University：Natural Science

基　　金：国家自然科学基金青年基金(11501367);教育部人文社科项目青年基金(18YJC630120);上海电机学院重点学科(16JCXK02)

摘　　要：研究了亚纯函数及其导数分担函数的增长级问题,结合迭代级和正规族的理论,改进了现有的结果.The growth of some meromorphic functions that share functions with their derivative is investigated.Combining the definition of iterated order with the normal family theory,we improve the previous results.

关 键 词：亚纯函数 正规族 NEVANLINNA理论 迭代级 

分 类 号：O174.5[理学—数学]