Bounds for the second Hankel determinant of certain univalent functions

• Main Authors: Liew, P. H, Fuah, K. H, Aini Janteng
• Format: Article
• Language: English; English
• Published: Research India Publications 2016
• Subjects: QA299.6-433 Analysis
• Online Access: https://eprints.ums.edu.my/id/eprint/33661/1/Bounds%20for%20the%20second%20Hankel%20determinant%20of%20certain%20univalent%20functions.ABSTRACT.pdf; https://eprints.ums.edu.my/id/eprint/33661/2/Bounds%20for%20the%20second%20hankel%20determinant%20of%20certain%20univalent%20functions.pdf; https://eprints.ums.edu.my/id/eprint/33661/; http://ripublication.com/gjpam16/gjpamv12n2_16.pdf; https://dx.doi.org/10.37622/GJPAM/12.2.2016.1375-1385
• Institution: Universiti Malaysia Sabah

The estimates for the second Hankel determinant a_2 a_4-a_3^2 of the analytic function f(z)=z+a_2 z^2+a_3 z^3+⋯, for which either zf^' (z)/f(z) or 1+zf^'' (z)/f^' (z) is subordinate to a certain analytic function, are investigated. The estimates for the Hankel determinant for two...