期刊名称:International Journal of Mathematics and Mathematical Sciences
印刷版ISSN:0161-1712
电子版ISSN:1687-0425
出版年度:2000
卷号:23
期号:2
页码:109-117
DOI:10.1155/S0161171200001666
出版社:Hindawi Publishing Corporation
摘要:We establish that the differential subordinations of the forms p ( z ) + γ z p ′ ( z ) ≺ h ( A 1 , B 1 ; z ) or p ( z ) + γ z p ′ ( z ) / p ( z ) ≺ h ( A 2 , B 2 ; z ) implies p ( z ) ≺ h ( A , B ; z ) , where γ ≥ 0 and h ( A , B ; z ) = ( 1 + A z ) / ( 1 + B z ) with − 1 ≤ B < A .