Document Type : Research Paper

Authors

• Nassireh Ghaderi
• Saeid Shams

Department of Mathematics, Faculty of Science, Urmia University, Urmia, Iran

Abstract

In this paper the problem of stability for comprehensive classes of analytic functions in $T_{\delta }$- ‎neighborhoods are studied‎. ‎Also the lower and upper bounds of radius of stability are obtained‎.

Keywords

• Stability of Hadamard product‎
• ‎Integral convoiution‎
• ‎Analytic functions‎
• Starlike and convex functions‎
• ‎Hypergeometric function