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Sharp distortion theorems for some subclasses of starlike mappings on in |
Xiaosong LIU1(), Taishun LIU2 |
1. School of Mathematics and Statistics, Lingnan Normal University, Zhanjiang 524048, China 2. Department of Mathematics, Huzhou University, Huzhou 313000, China |
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Abstract We mainly establish the distortion theorems of Jacobi determinant for three subclasses of starlike mappings on ; where : In particular, the above distortion theorems are sharp if is the unit polydisk in : Our results reduce to the corresponding classical results in one dimension of complex function theory.
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Keywords
Starlike mapping
distortion theorem
Jacobi determinant
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Corresponding Author(s):
Xiaosong LIU
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Issue Date: 09 March 2020
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