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The Partial Sums of Multivalently Star-Like Functions

✍ Scribed by M. S. Robertson

Book ID
121260670
Publisher
John Hopkins University Press
Year
1941
Tongue
English
Weight
513 KB
Volume
42
Category
Article
ISSN
0003-486X

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πŸ“œ SIMILAR VOLUMES

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