Normal Criteria of Function Families Concerning Shared Values

[摘要] We study the normality of families of meromorphic functions concerning shared values. We consider whether a family of meromorphic functionsℱis normal inD, if, for every pair of functionsfandginℱ,f′−af−nandg′−ag−nshare the valueb, whereaandbare two finite complex numbers such thata≠0,nis a positive integer. Some examples show that the conditions in our results are best possible.

[学科分类] 应用数学