在两类双单叶Bazilevic̆函数类的引入应用下,采用分析技巧研究Fekete-Szegö不等式.在完成f(x)∈ M u,λΣ(ϕ)、f(x)∈ HΣ(u,λ,k)两类双单叶定义定理分析后探讨推论结果,所获取的第三项系数估计实现了对部分双单叶函数已有结果的改进.
Fekete-Szeg? inequalities for two classes of biunivalent Bazilevic?functions
With the introduction and application of two classes of biunivalent Bazilevic̆functions,the Fekete-Szegö inequality is studied by using analytical techniques.After the analysis of the definition theorems of two classes of biunivalent functions,f(x)∈ M u,λΣ(ϕ)andf(x)∈ HΣ(u,λ,k),the inference results are discussed.The third coefficient estimation obtained improves the existing results of some biunivalent functions.
two kinds of double single leafBazilevic̆function classFekete-Szegö inequality
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