Acta Mathematica Academiae Paedagogicae Nyíregyháziensis, Vol. 27, No. 2, pp. 197-209 (2011)

On classes of functions with varying argument of coefficients

Jacek Dziok and Renata Jurasinska

University of Rzeszow

Abstract: In this paper we give the coefficients estimates, distortion properties, radii of starlikeness and convexity for classes of functions with varying argument of coefficients defined by convolution and subordination.

Keywords: analytic functions; varying arguments; subordination; Hadamard product

Classification (MSC2000): 30C45; 30C50, 30C55

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