Turkish Journal of Mathematics
Abstract
In this paper our purpose is to find the upper bound estimate for the second Hankel determinant $ a_{2}a_{4}-a_{3}^{2} $ for functions defined by convolution belonging to the class $\mathcal{N}_{\sigma}^{\mu,\delta}(\lambda,t)$ by using Chebyshev polynomials.
DOI
10.3906/mat-1706-83
Keywords
Univalent function, bi-univalent function, coefficient bounds, Chebyshev polynomial, Hankel determinant, convolution
First Page
1927
Last Page
1940
Recommended Citation
ORHAN, H, TOKLU, E, & KADIOĞLU, E (2018). Second Hankel determinant for certain subclasses of bi-univalent functions involving Chebyshev polynomials. Turkish Journal of Mathematics 42 (4): 1927-1940. https://doi.org/10.3906/mat-1706-83