Open AccessCoefficient inequalities for classes of univalent functions defined by q derivatives
Author(s) -
M. K. Aouf,
A. O. Mostafa,
N. E. Cho
Publication year - 2022
Publication title -
boletim da sociedade paranaense de matemática
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.347
H-Index - 15
eISSN - 2175-1188
pISSN - 0037-8712
DOI - 10.5269/bspm.43211
Subject(s) - subordination (linguistics) , mathematics , pure mathematics , univalent function , principal (computer security) , inequality , mathematical analysis , discrete mathematics , analytic function , computer science , philosophy , linguistics , operating system
Using the principal of subordination and the qderivative, we obtain sharp bounds for some classes of univalent functions.