Some sufficient conditions for strongly starlikeness

Milutin Obradović and Shigeyoshi Owa

International Journal of Mathematics and Mathematical Sciences, 2000, vol. 24, 1-5

Abstract:

We consider strongly starlikeness of order α of functions f ( z ) = z + a n + 1 z n + 1 + ⋯ which are analytic in the unit disc and satisfy the condition of the form | f ′ ( z ) ( z f ( z ) ) 1 + μ − 1 | < λ , 0 < μ < 1 , 0 < λ < 1 .

Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:817160

DOI: 10.1155/S0161171200004154

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