Hankel Determinant and Toeplitz Determinant on the Class of Bazilevic Functions Related to the Bernoulli Lemniscate

被引:1
作者
Asih, Ni Made [1 ,2 ]
Fitri, Sa'adatul [1 ]
Wibowo, Ratno Bagus Edy [1 ]
Marjono [1 ]
机构
[1] Univ Brawijaya, Fac Math & Nat Sci, Dept Math, Jl Vet, Malang 65145, Indonesia
[2] Univ Udayana, Fac Math & Nat Sci, Dept Math, Kuta Selatan, Indonesia
来源
EUROPEAN JOURNAL OF PURE AND APPLIED MATHEMATICS | 2023年 / 16卷 / 02期
关键词
Coefficients; Bazilevic functions; Bernoulli Lemniscate; Subordina-tion; Hankel determinant; Toeplitz determinant; STARLIKE FUNCTIONS;
D O I
10.29020/nybg.ejpam.v16i2.4772
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this papers, we investigate the Hankel determinant and Toeplitz determinant for the class Bazilevic? Function B1(a, d) related to the Bernoulli Lemniscate function on the unit disk D = {z : |z| < 1} and obtain the upper bounds of the determinant H-2(1), H-2(2), T-2(1), and investigate H-2(1) using coefficients invers function. We used lemma from Charateodory-Toeplitz and Libera about sharp inequalities for functions with positive real part.
引用
收藏
页码:1290 / 1301
页数:12
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