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The Australian Journal of Mathematical Analysis and Applications ISSN 1449-5910 |
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2: Paper Source PDF document
Paper's Title:
Neighborhoods of Certain Subclasses of Analytic Functions of Complex Order with Negative Coefficients
Author(s):
B. Srutha Keerthi, B. Adolf Stephen, A. Gangadharan, and S. Sivasubramanian
Department of Applied Mathematics,
Sri Venkateswara College of Engineering,
Sriperumbudur, Chennai - 602105,
India.
sruthilaya06@yahoo.co.in
Department of Mathematics,
Madras Christian College,
Chennai - 600059,
India
adolfmcc2003@yahoo.co.in
Department of Applied Mathematics,
Sri Venkateswara College of Engineering,
Sriperumbudur, Chennai - 602105,
India.
ganga@svce.ac.in
Department of Mathematics,
Easwari Engineering College,
Ramapuram, Chennai - 600089,
India
sivasaisastha@rediffmail.com
Abstract:
The main object of this paper is to prove several inclusion relations associated with the (n, δ) neighborhoods of various subclasses of convex functions of complex order by making use of the known concept of neighborhoods of analytic functions.
1: Paper Source PDF document
Paper's Title:
A Coefficient Inequality For Certain Subclasses of Analytic
Functions Related to Complex Order
Author(s):
B. Srutha Keerthi, B. Adolf Stephen and S. Sivasubramanian
Department Of Applied Mathematics, Sri Venkateswara College Of Engineering, Anna University,
Sriperumbudur, Chennai - 602 105,
India.
laya@svce.ac.in
Department of Mathematics, Madras Christian College,
Chennai - 600059,
India
adolfmcc2003@yahoo.co.in
Department of Mathematics, College of Engineering, Anna University,
Tamilnadu, Chennai - 600 025,
India.
sivasaisastha@rediffmail.com
Abstract:
In this present investigation, the authors obtain coefficient
inequality for certain normalized analytic functions of complex order f(z) defined
on the open unit disk for which
(
and 
be a complex number) lies in a region starlike with respect to 1 and is symmetric with respect to the real axis. Also
certain applications of the main result for a class of functions of complex order
defined by convolution are given. As a special case of this result, coefficient
inequality for a class of functions defined through fractional derivatives is
obtained. The motivation of this paper is to give a generalization of the
coefficient inequalities of the subclasses of starlike and convex functions of
complex order.
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