Tamer M. Seoudy

On differential Sandwich theorems of analytic functions defined by generalized Sălăgean integral operator

In this paper we obtain some applications of first order differential subordination and superordination results involving generalized Sălăgean integral operator for certain normalized analytic functions. Some of our results generalize previously known results.

SANDWICH THEOREMS FOR HIGHER-ORDER DERIVATIVES OF p-VALENT FUNCTIONS DEFINED BY CERTAIN LINEAR OPERATOR

In this paper, we obtain some applications of first order differential subordination and superordination results for higher-order derivatives of p-valent functions involving certain linear operator. Some of our results improve and generalize previously known results.

Inclusion Properties of Certain Subclasses of -Valent Functions Associated with the Integral Operator

The purpose of the present paper is to introduce two subclasses of -valent functions by using the integral operator and to investigate various properties for these subclasses.

CERTAIN FAMILY OF INTEGRAL OPERATORS PRESERVING SUBORDINATION AND SUPERORDINATION

Abstract We obtain subordination, superordination and sandwich-preserving new theorems for certain integral operators defined on the space of normalized analytic functions in the open unit disk. The sandwich-type theorem for these integral operators is also derived, and the results generalize some recently ones.

Certain Properties of Multivalent Functions Associated with the Dziok-Srivastava Operator

By making use of the techniques of the differential subordination, we derive certain properties of -valent functions associated with the Dziok-Srivastava operator.