On certain meromorphic functions with positive coefficients.
Kim, Yong Chang, Lee, Sang Hun, Owa, Shigeyoshi (1993)
International Journal of Mathematics and Mathematical Sciences
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Displaying similar documents to “On certain subclasses of meromorphic functions with positive coefficients.”
On certain meromorphic functions with positive coefficients.
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Here we investigate a majorization problem involving starlike meromorphic functions of complex order belonging to a certain subclass of meromorphic univalent functions defined by an integral operator introduced recently by Lashin.
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In this paper we investigate some extensions of sufficient conditions for meromorphic multivalent functions in the open unit disk to be meromorphic multivalent starlike and convex of order α. Our results unify and extend some starlikeness and convexity conditions for meromorphic multivalent functions obtained by Xu et al. [2], and some interesting special cases are given.
Subordination and superordination of certain linear operator on meromorphic functions
M. K. Aouf, T. M. Seoudy (2010)
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Using the methods of differential subordination and superordination, sufficient conditions are determined on the differential linear operator of meromorphic functions in the punctured unit disk to obtain, respectively, the best dominant and the best subordinant. New sandwich-type results are also obtained.
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Here we investigate a majorization problem involving starlike meromorphic functions of complex order belonging to a certain subclass of meromorphic univalent functions defined by an integral operator introduced recently by Lashin.
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Classes of meromorphic multivalent functions with Montel’s normalization
Jacek Dziok (2012)
Annales Universitatis Mariae Curie-Sklodowska, sectio A – Mathematica
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In the paper we define classes of meromorphic multivalent functions with Montel’s normalization. We investigate the coefficients estimates, distortion properties, the radius of starlikeness, subordination theorems and partial sums for the defined classes of functions. Some remarks depicting consequences of the main results are also mentioned.