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  Volume 10, Issue 3, Article 77
 
Starlikeness Conditions for an Integral Operator

    Authors: Pravati Sahoo, Saumya Singh,  
    Keywords: Meromorphic functions; Differential subordination; Starlike functions, Convex functions.  
    Date Received: 30/06/2009  
    Date Accepted: 26/08/2009  
    Subject Codes:

30C45, 30D30.

 
    Editors: Ram N. Mohapatra,  
 
    Abstract:

Let for fixed $ nin mathbb{N}$, $ Sigma_n$ denotes the class of function of the following form

$displaystyle f(z)=frac{1}{z}+sum_{k=n}^{infty}a_{k}z^{k},$    
which are analytic in the punctured open unit disk

         
       
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