On certain subclasses of analytic and bi-univalent functions | ||
| Journal of the Egyptian Mathematical Society | ||
| Volume 24, Issue 2, 2016, Pages 220-225 PDF (363.75 K) | ||
| DOI: 10.1016/j.joems.2015.04.004 | ||
| Author | ||
| A. Y. Lashin | ||
| Department of Mathematics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt | ||
| Abstract | ||
| In this paper, we introduced two interesting subclasses of the function class σ of analytic and bi-univalent functions in the open unit disk U . Estimates on the first two Taylor–Maclaurin coefficients | a 2 | and | a 3 | for functions belonging to these classes are determined. Certain special cases are also indicated. | ||
| Keywords | ||
| Univalent functions; Bi-univalent functions; Starlike with respect to symmetric points | ||
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