拟从属类fekete - szegov泛函的锐界

Pub Date : 2019-08-01 DOI:10.2478/ausm-2019-0008

S. Kant, P. Vyas

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引用次数: 4

摘要

摘要本文利用拟隶属性引入解析函数的一个子类𝒦q(λ， γ， h)。得到了𝒦q(λ， γ， h)类函数的fekete - szegov泛函的尖锐界。本文的结果给出了涉及拟从属和多数化的某些子类的改进版本。

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Sharp bounds of Fekete-Szegő functional for quasi-subordination class

Abstract In the present paper, we introduce a certain subclass 𝒦q(λ, γ, h) of analytic functions by means of a quasi-subordination. Sharp bounds of the Fekete-Szegő functional for functions belonging to the class 𝒦q(λ, γ, h) are obtained. The results presented in the paper give improved versions for the certain subclasses involving the quasi-subordination and majorization.

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