A Study of Third and Fourth Hankel Determinant Problem for a Particular Class of Bounded Turning Functions

Gaganpreet Kaur, Gurmeet Singh, Muhammad Arif, Ronnason Chinram and Javed Iqbal

Mathematical Problems in Engineering, 2021, vol. 2021, 1-8

Abstract:

In this present paper, a new generalized class from the family of function with bounded turning was introduced by using - derivative operator. Our aim for this class is to find out the upper bound of third- and fourth-order Hankel determinant. Moreover, the upper bounds for two-fold and three-fold symmetric functions for this class are also obtained.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:6687805

DOI: 10.1155/2021/6687805

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