This analysis reveals univalence conditions and coefficient inequalities for quasiconformal Koebe functions, suggesting new insights.
This paper studies a class of generalized harmonic quasiconformal Koebe functions. It is motivated by the shear construction of Clunie and Sheil-Small [Ann. Acad. Sci. Fenn. Ser. A I Math. 9: 3--25, 1984] and the harmonic quasiconformal Koebe function. Equivalent univalence conditions, pre-Schwarzian and Schwarzian norms, coefficient inequalities, as well as growth and area theorems for this family of functions are derived. These findings improve several previously known results.
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Wang et al. (2025) studied this question.
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