Document Type : Research Paper

Authors

• Waggas Galib Atshan
• Salam Abdulhussein Sehen

Department of Mathematics, College of Science, University of Al-Qadisiyah, Diwaniyah, Iraq

Abstract

In this paper, we study some differential subordination and subordination results for certain subclass of univalent functions in the open unit disc U using generalized operator $H^{\lambda,\delta}_{\eta,\mu}$. Also, we derive some sandwich theorems.

Keywords

• Analytic function
• Subordinate
• Differential Subordination
• Dominant
• Generalized Operator
• Sandwich Theorems