Coefficient Bounds for a Unified Class of Holomorphic Functions

被引：1
|
作者：
Mundalia, Mridula [1 ]
Shanmugam, Sivaprasad Kumar [1 ]
机构：
[1] Delhi Technol Univ, Dept Appl Math, Delhi 110042, India
来源：
MATHEMATICAL ANALYSIS I: APPROXIMATION THEORY, ICRAPAM 2018 | 2020年 / 306卷
关键词：
Univalent functions; Starlike functions; Convex functions; Fekete-Szego coefficient functional; Subordination; STARLIKE FUNCTIONS;
D O I：
10.1007/978-981-15-1153-0_17
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In the present paper, sharp initial coefficient bounds have been estimated for functions in the newly defined classes S-gamma,delta(k)(Phi) and S-gamma,delta,h(k)(Phi), which in fact, unifies many earlier known classes. Further, sharp bounds of the Fekete-Szego coefficient functional for functions in the classes introduced here are obtained and special cases of our results are also pointed out.
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页码：197 / 210
页数：14
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