Differential sandwich theorems for higher-order derivatives of <em>p</em>-valent functions defined by a linear operator

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Differential sandwich theorems for higher-order derivatives of p-valent functions defined by a linear operator

Published in: Quaestiones Mathematicae
Volume 34 , issue 1 , 2011 , pages: 1–10
DOI: 10.2989/16073606.2011.570290
Author(s): M.K. Aouf Department of Mathematics, , T.M. Seoudy Department of Mathematics,
Keywords: 30C45 , 30C45
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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 a linear operator. Some of our results generalize previously known results.
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