Study of a new class for higher-order derivatives of harmonic multivalent functions

Abbas Kareem Wanas, Firas Hussean Maghool

Abstract


In this paper, we define and investigate a new class for higher-order derivatives of harmonic multivalent functions. We obtain coefficient inequalities, distortion bounds, extreme points, convex combination. Our results extend corresponding previously known results.

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Published: 2019-03-12

How to Cite this Article:

Abbas Kareem Wanas, Firas Hussean Maghool, Study of a new class for higher-order derivatives of harmonic multivalent functions, Engineering Mathematics Letters, Vol 2019 (2019), Article ID 5

Copyright © 2019 Abbas Kareem Wanas, Firas Hussean Maghool. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Engineering Mathematics Letters

ISSN 2049-9337

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