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Certain subclasses of meromorphically -valent functions with positive or negative coefficients

โœ Scribed by M.K. Aouf


Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
260 KB
Volume
47
Category
Article
ISSN
0895-7177

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On certain subclasses of meromorphic fun
โœ A.Y. Lashin ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 469 KB

Let denote the class of functions of the form f (z) = 1 z + โˆž k=1 a k z k which are analytic in 0 < |z| < 1. Two new integral operators P ฮฑ ฮฒ and Q ฮฑ ฮฒ defined on are introduced. This paper gives some subordination and convolution properties of certain subclasses of meromorphic functions which are d