Fourth Hankel determinant for the family of functions with bounded turning
Bull. Korean Math. Soc. 2018 Vol. 55, No. 6, 1703-1711 https://doi.org/10.4134/BKMS.b170994 Published online November 12, 2018 Printed November 30, 2018
Muhammad Arif, Lubna Rani, Mohsan Raza, Pawel Zaprawa Abdul Wali Khan University, Abdul Wali Khan University, Government College University, Lublin University of Technology
Abstract : The main aim of this paper is to study the fourth Hankel determinant for the class of functions with bounded turning. We also investigate for $2$-fold symmetric and $3$-fold symmetric functions.
