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Paper 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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