
Subclasses of bi-univalent functions defined by convolution
Author(s) -
R. M. El-Ashwah
Publication year - 2014
Publication title -
journal of the egyptian mathematical society
Language(s) - English
Resource type - Journals
eISSN - 2090-9128
pISSN - 1110-256X
DOI - 10.1016/j.joems.2013.06.017
Subject(s) - mathematics , convolution (computer science) , pure mathematics , discrete mathematics , computer science , artificial intelligence , artificial neural network
In this paper, we introduced two new subclasses of the function class Σ of bi-univalent functions analytic in the open unit disc defined by convolution. Furthermore, we find estimates on the coefficients ∣a2∣ and ∣a3∣ for functions in these new subclasses