On second Hankel determinant for two new subclasses of analytic functions
In this paper, we obtain sharp upper bounds for the functional |a2a4 - a32| for functions belonging to S*(α, β) and C(α, β). Our results extend corresponding previously known results.
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
University Constantin Brancusi of Targu-Jiu
2014-09-01
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| Series: | Surveys in Mathematics and its Applications |
| Subjects: | |
| Online Access: | http://www.utgjiu.ro/math/sma/v09/p07.pdf |