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http://hdl.handle.net/20.500.12188/1785
Наслов: | Hankel determinant of second order for some classes of analytic functions | Authors: | Milutin Obradovic Nikola Tuneski |
Keywords: | Mathematics - Complex Variables Mathematics - Complex Variables |
Issue Date: | 19-мар-2019 | Abstract: | Let $f$ be analytic in the unit disk $\mathbb D$ and normalized so that $f(z)=z+a_2z^2+a_3z^3+\cdots$. In this paper, we give upper bounds of the Hankel determinant of second order for the classes of starlike functions of order $\alpha$, Ozaki close-to-convex functions and two other classes of analytic functions. Some of the estimates are sharp. | URI: | http://hdl.handle.net/20.500.12188/1785 |
Appears in Collections: | Faculty of Mechanical Engineering: Journal Articles |
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