• Aouf, Mohamed K. (Department of Mathematics Faculty of Science Mansoura University) ;
  • Seoudy, Tamer M. (Department of Mathematics Faculty of Science Fayoum University)
  • Received : 2009.10.22
  • Published : 2011.05.31


In this paper, we obtain some applications of first order differential subordination and superordination results for higher-order derivatives of p-valent functions involving certain linear operator. Some of our results improve and generalize previously known results.


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