Landau-Bloch type theorems of certain subclasses of biharmonic mappings
نویسندگان
چکیده
In this paper, we first establish a Landau-Bloch type theorem for certain bounded and normalized biharmonic mappings F(z) = |z|21(z) + h(z), where 1(z) h(z) are harmonic in the unit disk with |1(z)| ? M1, |h(z)| M2. particular, our result is sharp when M1 M2 1. Then, several new versions of theorems coefficients condition place or obtain results.
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ژورنال
عنوان ژورنال: Filomat
سال: 2023
ISSN: ['2406-0933', '0354-5180']
DOI: https://doi.org/10.2298/fil2302403l