Paper's Title:

Certain Coefficient Estimates for Bi-univalent Sakaguchi Type Functions

Author(s):

B. Srutha Keerthi, S. Chinthamani

Department of Applied Mathematics,
Sri Venkateswara College of Engineering,
Sriperumbudur, Chennai - 602105,
India

sruthilaya06@yahoo.co.in

 chinvicky@rediffmail.com

 

Abstract:

Estimates on the initial coefficients are obtained for normalized analytic functions f in the open unit disk with f and its inverse g = f^-1 satisfying the conditions that zf'(z) / f(z) and zg'(z) / g(z) are both subordinate to a starlike univalent function whose range is symmetric with respect to the real axis. Several related classes of functions are also considered, and connections to earlier known results are made.

Paper's Title:

Sufficient Conditions for Certain Types of Functions to be Parabolic Starlike

Author(s):

A. Gangadharan and S. Chinthamani

Department of Mathematics,
Easwari Engineering College,
Ramapuram, Chennai - 89,
India.

Research Scholar,
Anna University,
Chennai

E-mail: ganga.megalai@gmail.com

E-mail: chinvicky@rediffmail.com

Abstract:

In this paper sufficient conditions are determined for functions of the form and certain other types of functions to be parabolic starlike.

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