Class with negative coefficients and convex with respect to symmetric points

• Main Authors: Aini Janteng, Suzeini Abdul Halim
• Format: Article
• Language: English; English
• Published: Hikari Ltd 2010
• Subjects: QA1-43 General
• Online Access: https://eprints.ums.edu.my/id/eprint/33660/3/Class%20with%20negative%20coefficients%20and%20convex%20with%20respect%20to%20symmetric%20points.ABSTRACT.pdf; https://eprints.ums.edu.my/id/eprint/33660/2/Class%20with%20negative%20coefficients%20and%20convex%20with%20respect%20to%20symmetric%20points.pdf; https://eprints.ums.edu.my/id/eprint/33660/; http://www.m-hikari.com/ijcms-password2008/9-12-2008/jantengIJCMS9-12-2008-2.pdf

Let C_s T(A,B) denote the class of functions f(z)=z-∑_(n=2)^∞ a_n z^n which are analytic in an open unit disc D={z:|z|<1} and satisfying the condition (2(zf^' (z))^')/((f(z)-f(-z))^' )≺(1+Az)/(1+Bz),-1≤B<A≤1,z∈D. The aims of paper are to determine coefficient estimates and disto...