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http://dx.doi.org/10.4134/BKMS.2005.42.3.579

SOME CRITERIA FOR STARLIKENESS AND STRONGLY STARLIKENESS  

XU NENG (DEPARTMENT OF MATHMATHICS, CHANGSHU INSTITUTE OF TECHNOLOGY)
YANG DINGGONG (DEPARTMENT OF MATHMATHICS, SUZHOU UNIVERSITY)
Publication Information
Bulletin of the Korean Mathematical Society / v.42, no.3, 2005 , pp. 579-590 More about this Journal
Abstract
In this paper we derive certain sufficient conditions for starlikeness and strongly starlikeness of analytic functions in the unit disk. Our results generalize and refine the related results due to Li and Owa[l, 2] and Ramesha et al.[5]. Some other new results are also given.
Keywords
analytic function; starlikeness; strongly starlikeness; subordination;
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