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


MK Aouf
TM Seoudy

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.

Quaestiones Mathematicae 34(2011), 1–10

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eISSN: 1727-933X
print ISSN: 1607-3606