Radius of strongly starlikeness for certain analytic functions

Oh Sang Kwon and Shigeyoshi Owa

International Journal of Mathematics and Mathematical Sciences, 2002, vol. 29, 1-7

Abstract:

For analytic functions f ( z ) = z p + a p + 1 z p + 1 + ⋯ in the open unit disk U and a polynomial Q ( z ) of degree n > 0 , the function F ( z ) = f ( z ) [ Q ( z ) ] β / n is introduced. The object of the present paper is to determine the radius of p -valently strongly starlikeness of order γ for F ( z ) .

Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:247157

DOI: 10.1155/S0161171202007378

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