Neighborhoods of Starlike and Convex Functions Associated with Parabola
© Rosihan M. Ali et al. 2008
Received: 16 June 2008
Accepted: 11 August 2008
Published: 14 August 2008
Let be a normalized analytic function defined on the unit disk and for . For , a function if lies in the parabolic region . Let be the corresponding class consisting of functions such that lies in the region . For an appropriate , the -neighbourhood of a function is shown to consist of functions in the class .
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