Bull. Korean Math. Soc. 2011; 48(4): 697-704
Printed July 1, 2011
https://doi.org/10.4134/BKMS.2011.48.4.697
Copyright © The Korean Mathematical Society.
Jin-Lin Liu
Yangzhou University
By using the method of differential subordinations, we derive some sufficient conditions for strongly starlike functions associated with a linear operator. All these results presented here are sharp.
Keywords: analytic function, starlike function, strongly starlike function, subordination, Hadamard product (or convolution)
MSC numbers: Primary 30C45; Secondary 30A10
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