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Partial sums of starlike harmonic multivalent functions

✍ Scribed by Yaşar, Elif; Yalçın, Sibel

Book ID
120723141
Publisher
Springer
Year
2013
Tongue
English
Weight
177 KB
Volume
26
Category
Article
ISSN
1012-9405

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📜 SIMILAR VOLUMES

Partial Sums of Starlike and Convex Func
Partial Sums of Starlike and Convex Functions
✍ H Silverman 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 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 Ä 4 convex of order ␣, 0 F ␣ -1. When the coefficients a are ''small,'' we deterk Ä Ž . Ž 4 Ä Ž . Ž .4 Ä Ž . X Ž .4 mine lower bounds on Re f z rf z , Re f z rf z , R