Liew, Andy Pik Hern and Aini Janteng and Rashidah Omar (2022) Subclasses of Analytic Functions with Negative Coefficients Involving q-Derivative Operator. Science and Technology Indonesia, 7 (3). pp. 327-332. ISSN 2580-4391 (E-ISSN) , 2580-4405 (P-ISSN)
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Abstract
Let A denote the class of functions f which are analytic in the open unit disk U. The subclass of A consisting of univalent functions is denoted by M. In this paper, we also consider a subclass of M which is denoted by V, consisting of functions with negative coefficients. In addition, this paper also studies the q-derivative operator. By combining the ideas, this paper introduced three subclasses of A with negative coefficients involving q-derivative. Furthermore, the coefficient estimates, growth results and extreme points were obtained for all of these classes.
| Item Type: | Article |
|---|---|
| Keyword: | Analytic , Univalent , q-Derivative Operator |
| Subjects: | Q Science > QA Mathematics > QA1-939 Mathematics > QA299.6-433 Analysis |
| Department: | FACULTY > Faculty of Science and Natural Resources |
| Depositing User: | SITI AZIZAH BINTI IDRIS - |
| Date Deposited: | 29 Sep 2022 11:43 |
| Last Modified: | 29 Sep 2022 11:43 |
| URI: | https://eprints.ums.edu.my/id/eprint/34339 |
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