Bulletin of the Korean Mathematical Society (대한수학회보)

Korean Mathematical Society (대한수학회)
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SANDWICH THEOREMS FOR HIGHER-ORDER DERIVATIVES OF p-VALENT FUNCTIONS DEFINED BY CERTAIN LINEAR OPERATOR

  • 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
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Abstract

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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References

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  1. Sandwich theorems for higher-order derivatives of $$p$$ -valent functions defined by certain linear operator vol.25, pp.2, 2014, https://doi.org/10.1007/s13370-012-0127-1