Natural Sciences, Mathematics, 2026
Coefficient inequality for certain subclass of analytic functions
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Submitted: 2024-12-19
© 2026 by author(s) and The Gufo Inc.
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Abstract
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.