Some Properties of Certain Classes of Meromorphic Multivalent Functions Defined by Subordination

被引：3
|
作者：
Seoudy, Tamer M. M. [1 ]
Shammaky, Amnah E. E. [2 ]
机构：
[1] Umm Al Qura Univ, Jamoum Univ Coll, Dept Math, Mecca 21955, Saudi Arabia
[2] Jazan Univ, Fac Sci, Dept Math, Jazan 45142, Saudi Arabia
来源：
SYMMETRY-BASEL | 2023年 / 15卷 / 02期
关键词：
analytic functions; meromorphic multivalent functions; subordination; superordination; Fekete-Szego inequalities; CONVEX; STARLIKE;
D O I：
10.3390/sym15020347
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
In this paper, we define two classes of meromorphic multivalent functions in the punctured disc U*={w is an element of C : 0 <|w|< 1} < 1 by using the principle of subordination. We investigate a number of useful results including subordination results, some connections with a certain integral operator, sandwich properties, an inclusion relationship, and Fekete-Szego inequalities for the functions belonging these classes. Our results are connected with those in several earlier works, which are related to this field of Geometric Function Theory (GFT) of Complex Analysis.
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页数：13
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