Subclasses of bi-univalent functions defined by convolution | ||
| Journal of the Egyptian Mathematical Society | ||
| Volume 22, Issue 3, October 2014, Pages 348-351 PDF (439.35 K) | ||
| Author | ||
| R.M. El-Ashwah | ||
| Department of Mathematics, Faculty of Science, Damietta University, New Damietta 34517, Egypt | ||
| Abstract | ||
| In this paper, we introduced two new subclasses of the function class R of bi-univalent functions analytic in the open unit disc defined by convolution. Furthermore, we find estimates on the coefficients OEa2 OE and OEa3 OE for functions in these new subclasses. | ||
| Keywords | ||
| Analytic and univalent functions; Bi-univalent functions; Starlike and convex functions; Coefficients bounds | ||
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