Bound on H3(1) Hankel determinant for pre-starlike functions of order α.
Keywords:Analytic function, Toeplitz determinants, Pre-starlike function, Convex function, Upper bound, Second and third Hankel functionals, Positive real function, Convolution
The objective of this paper is to obtain best possible upper bound to the third Hankel determinant for the pre-starlike functions of order α (0 ≤ α ≤ 1), using Toeplitz determinants.
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