Some differential subordination and superordination properties of symmetric analytic functions involving Noor integral operator

Le Matematiche

Ali Muhammad¹  Amjad Ullah Khattak² 

[1] Professor in Mathematics , Department of Basic Sciences University of Engineering and Technology Peshawar Pakistan;Professor in the Department of Electrical Engineering, University of Engineering and Technology Peshawar.;

关键词: Analytic functions;    Convex functions;    Symmetric functions;    Differential subordination and superordination;    Noor integral operator;   

DOI  :  

来源: DOAJ

【 摘 要 】

In this paper, we obtain some interesting properties of differential subordination and superordination for the classes of symmetric functions analytic in the unit disc, by applying Noor integral operator. We investigate several sandwich theorems on the basis of this theory.

【 授权许可】

Unknown