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    STUDIA MATHEMATICA - Issue no. 2 / 2010  
         
  Article:   SIMPLE CRITERIA FOR STARLIKENESS OF ORDER β.

Authors:  .
 
       
         
  Abstract:  In this paper we obtain a new criterion for starlikeness of order β for an analytic function This criterion involves only the second derivative of the given function and generalizes a well-known result due to P. T. Mocanu.

Key words and phrases. Convex function, starlike function, subordination, univalent function.
 
         
     
         
         
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