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    STUDIA MATHEMATICA - Issue no. 2 / 2009  
         
  Article:   DIFFERENTIAL SUBORDINATIONS AND SUPERORDINATIONS FOR ANALYTIC FUNCTIONS DEFINED BY CONVOLUTION STRUCTURE.

Authors:  G. MURUGUSUNDARAMOORTHY, N. MAGESH.
 
       
         
  Abstract:  In the present investigation, we obtain some subordination and superordination results involving Hadamard product for certain normalized analytic functions in the open unit disk. Relevant connections of the results, which are presented in this paper, with various other known results also pointed out.

Key words and phrases: Univalent functions, starlike functions, convex functions, differential subordination, differential superordination, Hadamard  product (convolution), Dziok-Srivastava linear operator.

 
         
     
         
         
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