IJPAM: Volume 55, No. 1 (2009)
A COEFFICIENT INEQUALITY FOR CERTAIN
SUBCLASSES OF MEROMORPHIC FUNCTIONS
SUBCLASSES OF MEROMORPHIC FUNCTIONS
K. Suchithra, B. Adolf Stephen, A. Gangadharan
Department of Applied Mathematics
Sri Venkateswara College of Engineering
Sriperumbudur, Chennai, 602105, INDIA
e-mail: suchithravenkat@yahoo.co.in
School of Mathematical Sciences
University Sains Malaysia
Penang, 11800, MALAYSIA
e-mail: adolfmcc2003@yahoo.co.in
Department of Mathematics
Easwari Engineering College
Ramapuram, Chennai, 600089, INDIA
e-mail: ganga.megalai@gmail.com
Department of Applied Mathematics
Sri Venkateswara College of Engineering
Sriperumbudur, Chennai, 602105, INDIA
e-mail: suchithravenkat@yahoo.co.in
School of Mathematical Sciences
University Sains Malaysia
Penang, 11800, MALAYSIA
e-mail: adolfmcc2003@yahoo.co.in
Department of Mathematics
Easwari Engineering College
Ramapuram, Chennai, 600089, INDIA
e-mail: ganga.megalai@gmail.com
Abstract.Sharp bound for
is derived for a certain class of meromorphic functions. Also, an application of the main result for a class of functions defined through Ruscheweyh derivatives is obtained.
Received: June 21, 2009
AMS Subject Classification: 30C45, 30C55
Key Words and Phrases: meromorphic functions, starlike functions, subordination, coefficient problem, Fekete-Szegö inequality
Source: International Journal of Pure and Applied Mathematics
ISSN: 1311-8080
Year: 2009
Volume: 55
Issue: 1