Some Coefficient Inequalities Related to the Hankel Determinant for a Certain Class of Close-to-convex Functions
- Resource Type
- Article
- Authors
- yong sun; Zhi-Gang Wang
- Source
- Kyungpook Mathematical Journal, 59(3), pp.481-491 Sep, 2019
- Subject
- 수학
- Language
- English
- ISSN
- 0454-8124
1225-6951
In the present paper, we investigate the upper bounds on third order Hankel determinants for certain class of close-to-convex functions in the unit disk. Furthermore, we obtain estimates of the Zalcman coefficient functional for this class.