The third Hankel determinant for starlike and convex functions associated with lune

被引：7
|
作者：
Riaz, Amina [1 ]
Raza, Mohsan [2 ]
机构：
[1] COMSATS Univ Islamabad, Dept Math, Lahore Campus, Lahore, Pakistan
[2] Govt Coll Univ, Dept Math, Faisalabad, Pakistan
来源：
BULLETIN DES SCIENCES MATHEMATIQUES | 2023年 / 187卷
关键词：
Starlike functions; Convex functions; Lune; Hankel determinant; COEFFICIENTS; INVERSE; BOUNDS; KIND;
D O I：
10.1016/j.bulsci.2023.103289
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, sharp bounds on the Hankel determinant are given for the functions f of the form f (z) = z +a2z2 +& BULL; & BULL; & BULL; such that zf' (z) /f (z) or 1 + zf'' (z) /f' (z) are subordinated by z +& RADIC;1 + z2. & COPY; 2023 Elsevier Masson SAS. All rights reserved.
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页数：18
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