Abstract
In F.M. Al-Oboudi, On univalent functions defined by a generalized Sălăgean operator, Indian J. Math. Math. Sci. 25-28 (2004), pp. 1429–1436, by using the operator D λ n f (z), z ∈ U, (Definition 3), the author introduces a class of univalent functions denoted by R n (λ, α). Some convolution properties of functions belonging to R n (λ, α) and other results are given. In this article we obtain certain differential subordinations related to this class and we give the best dominants.
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