Coefficient inequality for certain subclass of analytic functions

Author(s)

Coefficient inequality for certain subclass of analytic functions Vamshee Krishna

The objective of this paper is to an obtain an upper bound to the second Hankel determinant |a2a4−a23||a2a4−a32| for the function ff, belonging to a certain subclass of analytic functions, using Toeplitz determinants.

DOI: https://armjmath.sci.am/index.php/ajm/article/view/87 Armenian Journal of Mathematics, 4(2) 98-105

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Keywords

Analytic function, upper bound, second Hankel determinant, positive real func-tion, Toeplitz determinants.

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