“…Unless otherwise stated, throughout the sequel, we set f is of the form (1) and ϕ, h and w are given by (4), (6) and 5, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…Inspired by the papers of [1,3,6,7,8], we obtain the upper bounds |b k+1 | and |b 2k+1 | for f ∈ M δ,λ q (γ, ϕ). Also, we investigate the Fekete-Szegö results for the class M δ,λ q (γ, ϕ) and its special cases.…”
Abstract. Recently, Haji Mohd and Darus [1] revived the study of coefficient problems for univalent functions associated with quasi-subordination. Inspired largely by this article, we provide coefficient estimates with k-th root transform for certain subclasses of S defined by quasi-subordination.
“…Unless otherwise stated, throughout the sequel, we set f is of the form (1) and ϕ, h and w are given by (4), (6) and 5, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…Inspired by the papers of [1,3,6,7,8], we obtain the upper bounds |b k+1 | and |b 2k+1 | for f ∈ M δ,λ q (γ, ϕ). Also, we investigate the Fekete-Szegö results for the class M δ,λ q (γ, ϕ) and its special cases.…”
Abstract. Recently, Haji Mohd and Darus [1] revived the study of coefficient problems for univalent functions associated with quasi-subordination. Inspired largely by this article, we provide coefficient estimates with k-th root transform for certain subclasses of S defined by quasi-subordination.
“…Putting γ = 1 in Corollary (3) we get the result obtained by Gurusamy et. al [3]. By various choices of the function φ and suitably choosing the values of B 1 and B 2 , we state some interesting results analogous to Theorem 2 and the Corollaries 3, 4, 5 and 6.…”
Section: Lemma 1 [5]mentioning
confidence: 90%
“…Now we determine the Fekete-Szegö inequality |b 2k+1 − µb 2 k+1 | for f ∈ R u α,γ (φ); cf. [5]- [3], [6], [7].…”
In the present paper, we consider the class of universally prestarlike functions of complex order. The main result is the solution of the Fekete-Szegö problem for k th root transformation of functions from the defined class.
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