Author:
AL-Ameedee Sarah A,Atshan Waggas Galib,AL-Maamori Faez Ali
Abstract
Abstract
In this paper, we have investigated the upper bound for the second hankel determinant for some subclasses of bi-univalent functions in open unit disc U by using Chebyshev polynomials.
Subject
General Physics and Astronomy
Reference12 articles.
1. On the second Hankel determinant of areally mean -valent functions;Noonan;Transactions of the American Mathematical Society
2. A coefficient inequality for certain classes of analytic functions;Keogh;Proceedings of the American Mathematical Society,1969
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