On Certain Subclasses of Meromorphically p-Valent Functions Associated by the Linear Operator D lambda n
The purpose of this paper is to introduce two novel subclasses sub([Gamma] lambda ) (n, alpha , beta ) and super([Gamma] lambda *) (n, alpha , beta ) of meromorphic p-valent functions by using the linear operator super(D lambda n) . Then we prove the necessary and sufficient conditions for a functio...
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Veröffentlicht in: | Journal of inequalities and applications 2011-01, Vol.2011 |
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Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
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Online-Zugang: | Volltext |
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Zusammenfassung: | The purpose of this paper is to introduce two novel subclasses sub([Gamma] lambda ) (n, alpha , beta ) and super([Gamma] lambda *) (n, alpha , beta ) of meromorphic p-valent functions by using the linear operator super(D lambda n) . Then we prove the necessary and sufficient conditions for a function f in order to be in the new classes. Further we study several important properties such as coefficients inequalities, inclusion properties, the growth and distortion theorems, the radii of meromorphically p-valent starlikeness, convexity, and subordination properties. We also prove that the results are sharp for a certain subclass of functions. |
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ISSN: | 1025-5834 1029-242X |
DOI: | 10.1155/2011/401913 |