Upper Bound of Second Hankel Determinant for Certain Subclasses of Analytic Functions

Ming-Sheng Liu, Jun-Feng Xu and Ming Yang

Abstract and Applied Analysis, 2014, vol. 2014, 1-10

Abstract:

In this present investigation, we first give a survey of the work done so far in this area of Hankel determinant for univalent functions. Then the upper bounds of the second Hankel determinant for functions belonging to the subclasses , , , and of analytic functions are studied. Some of the results, presented in this paper, would extend the corresponding results of earlier authors.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:603180

DOI: 10.1155/2014/603180

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