On the Fekete-Szegö problem for certain analytic functions

• Main Authors: Imran Faisal ,, Maslina Darus ,
• Format: Article
• Published: Penerbit ukm 2009
• Online Access: http://journalarticle.ukm.my/1919/; http://www.ukm.my/~ppsmfst/jqma/index.html

Let f(z)-z+ Σ∞an zn be an analytic function in the open unit disk. A sharp upper bound is obtained for a3-μ a2 for the class CSα (β) of strongly close-to-convex functions of order β and type α, for α, β ≥ 0