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On partial sums of certain meromophic -valent functions

✍ Scribed by M.K. Aouf; A.O. Mostafa

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
473 KB
Volume
50
Category
Article
ISSN
0895-7177

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πŸ“œ SIMILAR VOLUMES

A note on certain meromorphic -valent fu
A note on certain meromorphic -valent functions
✍ R.M. El-Ashwah πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 311 KB

In this work the author introduces a certain multiplier transformation for meromorphic pvalent functions which are analytic in U \* . The object of this work is to give an application of this operator to the differential inequalities.

Partial Sums of Starlike and Convex Func
Partial Sums of Starlike and Convex Functions
✍ H Silverman πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 135 KB

Let f z szqÝ a z be the sequence of partial sums of a function a z that is analytic in z -1 and either starlike of order ␣ or ks 2 k Γ„ 4 convex of order ␣, 0 F ␣ -1. When the coefficients a are ''small,'' we deterk Γ„ Ε½ . Ε½ 4 Γ„ Ε½ . Ε½ .4 Γ„ Ε½ . X Ε½ .4 mine lower bounds on Re f z rf z , Re f z rf z , R