Precise Coefficient Estimates for Close-
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Xiao-Tian Wang; Xiang-Qian Liang; Yu-Lin Zhang
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Article
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2001
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Elsevier Science
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English
⚖ 89 KB
The class S H consists of harmonic, univalent, and sense-preserving functions f in the open unit disk U = z z < 1 , such that f = h + ḡ, where h z = z + ∞ n=2 a n z n and g z = ∞ n=1 a -n z n . Let S 0 H , C H , and C 0 H denote the subclass of S H with a -1 = 0, the subclass of S H with f being a c