NEW CHARACTERIZATION OF THE CLASS OF STARLIKE FUNCTIONS


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Yavuz E., Polatoğlu Y., Owa S.

BULLETIN OF THE KOREAN MATHEMATICAL SOCIETY, vol.45, no.4, pp.615-620, 2008 (SCI-Expanded) identifier identifier

Abstract

For analytic functions f(z) in the open unit disc D, an operator N alpha (f(z)) relating with starlike functions is introduced. The object of the present paper is to discuss some properties of the operator N alpha (f(z)).