scholarly journals Some Subclasses of Meromorphic Functions Associated with a Family of Integral Operators

2009 ◽  
Vol 2009 (1) ◽  
pp. 931230 ◽  
Author(s):  
Zhi-Gang Wang ◽  
Zhi-Hong Liu ◽  
Yong Sun
Keyword(s):  
Meromorphic Functions ◽  
Integral Operators

scholarly journals A Class of Nonlinear Integral Operators Preserving Double Subordinations

2008 ◽  
Vol 2008 ◽  
pp. 1-10 ◽  
Author(s):  
Oh Sang Kwon ◽  
Nak Eun Cho
Keyword(s):  
Unit Disk ◽  
Meromorphic Functions ◽  
Type Theorem ◽  
Integral Operators ◽  
Open Unit ◽  
Open Unit Disk ◽  
Sandwich Type ◽  
Space Of Meromorphic Functions ◽  
Nonlinear Integral Operators

The purpose of the present paper is to investigate some subordination- and superordination-preserving properties of certain integral operators defined on the space of meromorphic functions in the punctured open unit disk. The sandwich-type theorem for these integral operators is also considered.

scholarly journals Subordination and superordination results for the family of Jung-Kim-Srivastava integral operators

Filomat ◽  
2010 ◽  
Vol 24 (1) ◽  
pp. 69-85 ◽  
Author(s):  
Yong Sun ◽  
Wei-Ping Kuang ◽  
Zhi-Hong Liu
Keyword(s):  
Meromorphic Functions ◽  
Primary 30C45 ◽  
Integral Operators ◽  
Secondary 30C80 ◽  
Subject Classifications ◽  
The Family ◽  
Sandwich Type ◽  
Space Of Meromorphic Functions ◽  
Mathematics Subject Classifications

In this paper, we derive some subordination and superordination results associated with the family of Jung-Kim-Srivastava integral operators defined on the space of meromorphic functions. Several sandwich-type results are also obtained. 2010 Mathematics Subject Classifications. Primary 30C45; Secondary 30C80. .

scholarly journals Certain integrals for classes of p-valent meromorphic functions

1982 ◽  
Vol 25 (1) ◽  
pp. 85-97 ◽  
Author(s):  
Vinod Kumar ◽  
S.L. Shukla
Keyword(s):  
Meromorphic Functions ◽  
Integral Operators ◽  
Starlike Functions ◽  
Image Position ◽  
Almost All

In this paper we introduce two classes, namely Γp(m, M) and Σp(m, M), of functionsregular and p-valent in D − {0} where D = {z : |z| < 1}. We show that, for suitable choices of real constants α, β and γ, the integral operators of the formmap into , where is the class of p-valent meromorphically starlike functions of order ρ, 0 ≤ ρ < 1. For the classes Γp(m, M) and Σp(m, M), we obtain class preserving integral operators of the formwith suitable restrictions on real constants α and γ.Our results generalize almost all known results obtained so far in this direction.

scholarly journals Some Properties of Certain Integral Operators on New Subclasses of Analytic Functions with Complex Order

2012 ◽  
Vol 2012 ◽  
pp. 1-9 ◽  
Author(s):  
Aabed Mohammed ◽  
Maslina Darus
Keyword(s):  
Analytic Functions ◽  
Meromorphic Functions ◽  
Integral Operators ◽  
Complex Order

We define new subclasses ofp-valent meromorphic functions with complex order. We prove some properties for certain integral operators on these subclasses.

A class of integral operators preserving subordination and superordination for meromorphic functions

2007 ◽  
Vol 193 (2) ◽  
pp. 463-474 ◽  
Author(s):  
Nak Eun Cho ◽  
Oh Sang Kwon ◽  
Shigeyoshi Owa ◽  
H.M. Srivastava
Keyword(s):  
Meromorphic Functions ◽  
Integral Operators
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