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    STUDIA MATHEMATICA - Issue no. 3 / 2015  
         
  Article:   ON SANDWICH THEOREMS FOR p-VALENT FUNCTIONS INVOLVING A NEW GENERALIZED DIFFERENTIAL OPERATOR.

Authors:  .
 
       
         
  Abstract:  A new differential operator

is introduced for functions of the form

which are p-valent in the unit disk

The main object of this paper is to derive some subordination and superordination results involving differential operator


Mathematics Subject Classification (2010): 30C45.

Keywords: Analytic functions, differential subordination, differential superordination, sandwich theorems.
 
         
     
         
         
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