Classes with negative coefficients and starlike with respect to other points II

• Main Authors: Suzeini Abdul Halim, Maslina Darus, Aini Janteng
• Format: Article
• Language: English
• Published: Tamkang University 2006
• Subjects: QA Mathematics
• Online Access: https://eprints.ums.edu.my/id/eprint/7335/1/Classes_with_negative_coefficients_and_starlike_with_respect_to_other_points_II.pdf; https://eprints.ums.edu.my/id/eprint/7335/; http://journals.math.tku.edu.tw/index.php/TKJM/article/view/148

A class Ss*T(α, β, σ, k) of functions f which are analytic and univalent in the open unit disk D = {z : |z| < 1} given by f(z) = z - Σn=2∞anz n and satisfying the condition |zf′(z)/f(z)-f(-z) - k| < β|αzf′(z)/f(z) - f(-z) - (2σ - k) for 0 ≤ α ≤ 1, 0 < β ≤ 1, 0 ≤ σ â‰...