On the radius of univalence of convex combinations of analytic functions
Khalida I. Noor,1Fatima M. Aloboudi,1and Naeela Aldihan1
Received10 Jul 1982
Revised21 Feb 1983
Abstract
We consider for α>0, the convex combinations f(z)=(1−α)F(z)+αzF′(z), where F belongs to different subclasses of univalent functions and find the radius for which f is in the same class.