Some new results on differential subordinations and superordinations for analytic univalent functions defined by Rafid-Jassim operator

Document Type : Research Paper


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


In the present paper, we obtain sandwich theorems for univalent functions by using some results of differential subordination and superordination for univalent functions involving the Rafid-Jassim operator.