JIPAM

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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