| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1710097 | Applied Mathematics Letters | 2009 | 5 Pages |
Abstract
Let AA be the class of analytic functions in the unit disc that are of the form f(z)=z+a2z2+⋯f(z)=z+a2z2+⋯. In this work the expressions f′(z)−(1−γ)f(z)/zf′(z)−(1−γ)f(z)/z and zf″(z)−γf′(z),0<γ≤1zf″(z)−γf′(z),0<γ≤1, are studied, as sufficient conditions for starlikeness and convexity.
Related Topics
Physical Sciences and Engineering
Engineering
Computational Mechanics
Authors
Nikola Tuneski,