Abstract
Let f be a complex-valued harmonic mapping defined in the unit disc \({\mathbb {D}}\). The theorems of Chuaqui and Osgood (J Lond Math Soc 2:289–298, 1993), which assert that the bounds of the size of the hyperbolic norm of the Schwarzian derivative for an analytic function f imply certain bounds for distortion and growth of f, are extended to the harmonic case.
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Communicated by Daniel Aron Alpay.
The authors were partially supported by Fondecyt Grant # 1150284.
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Hernández, R., Venegas, O. Distortion Theorems Associated with Schwarzian Derivative for Harmonic Mappings. Complex Anal. Oper. Theory 13, 1783–1793 (2019). https://doi.org/10.1007/s11785-018-0836-z
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DOI: https://doi.org/10.1007/s11785-018-0836-z