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Sandwich Theorems for Certain Subclasses of Analytic Functions Defined by Family of Linear Operators
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A. O. Mostafa
and M. K. Aouf
Published/Copyright:
June 9, 2010
Abstract
In this paper, we obtain some applications of first order differential subordination and superordination results involving Dziok-Srivastava operator and other linear operators for certain normalized analytic functions in the open unit disk. The results, which are presented in this paper, have relevant connections with various previous results.
Key words and phrases.: Analytic functions; differential subordination; superordination; sandwich theorems; Dziok-Srivastava operator
Received: 2008-08-04
Revised: 2009-02-10
Published Online: 2010-06-09
Published in Print: 2009-December
© Heldermann Verlag
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Keywords for this article
Analytic functions;
differential subordination;
superordination;
sandwich theorems;
Dziok-Srivastava operator
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