Coefficients estimates for functions in B n ( α )

S. Abdul Halim

International Journal of Mathematics and Mathematical Sciences, 2003, vol. 2003, 1-7

Abstract:

We consider functions f , analytic in the unit disc and of the normalised form f ( z ) = z + ∑ k = 2 ∞ a k z k . For functions f ∈ B n ( α ) , the class of functions involving the Sălăgean differential operator, we give some coefficient estimates, namely, | a 2 | , | a 3 | , and | a 4 | .

Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:215676

DOI: 10.1155/S0161171203302339

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