某类解析函数子类的Fekete-Szego不等式

Fekete-Szego Inequalities for Certain Subclasses of Analytic Functions

利用正实部函数的Fekete-Szeg不等式,对D(λ,α,β)函数类上的系数泛函|a3-μa22|作了精确估计,在此基础上得到了利用Hadamard卷积定义的新函数类上的Fekete-Szeg不等式。

The coefficient of fonctionelle｜a3- μa22｜ on the class of D（λ, α, β）functions was accurately estimated,using Fekete-Szeg inequality for the class of real component functions. On this basis, Fekete-Szeg inequalities for the classes of functions defined by Hadamard convolution were obtained.