- Turkish Journal of Mathematics
- Vol: 43 Issue: 2
- Certain classes of multivalent functions defined with higher-order derivatives
Certain classes of multivalent functions defined with higher-order derivatives
Authors : Muhamed Kamal Aouf, Abdel Moneim Lashin, Teodor Bulboaca
Pages : 712-727
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Publication Date : 9999-12-31
Article Type : Makaleler
Abstract :In this paper we derive some properties of multivalent functions belonging to the classes $R_{p,q}(\alpha)$, $B_{p,q}(\alpha)$, and $M_{p,q}(\alpha)$. The results obtained generalize the related works of some authors, and many other new results are obtained.Keywords : Multivalent functions, p-valently starlike and convex functions, higher-order derivatives, differential subordinations, $alpha$-convex functions