Coefficient Estimates for Bi-univalent Functions Defined by (P, Q) Analogue of the Salagean Differential Operator Related to the Chebyshev Polynomials
Main Authors: | Panigrahi, Trailokya, Mohapatra, Susanta Kumar |
---|---|
Format: | Article info application/pdf eJournal |
Bahasa: | eng |
Terbitan: |
Institute for Research and Community Services (LPPM) ITB
, 2021
|
Subjects: | |
Online Access: |
https://journals.itb.ac.id/index.php/jmfs/article/view/8518 https://journals.itb.ac.id/index.php/jmfs/article/view/8518/5223 |
Daftar Isi:
- In the present investigation we use the Jackson (p,q)-differential operator to introduce the extended Salagean operator denoted by Rkp,q. Certain bi-univalent function classes based on operator Rkp,q related to the Chebyshev polynomials are introduced. First, two coefficient bounds and Fekete-Szego inequalities for the function classes are established. A number of corollaries are developed by varying parameters involved.