Some results on the uniqueness of meromorphic mappings (Q1044826)
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scientific article; zbMATH DE number 5647925
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Some results on the uniqueness of meromorphic mappings |
scientific article; zbMATH DE number 5647925 |
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Some results on the uniqueness of meromorphic mappings (English)
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15 December 2009
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Let \(f, g\) be linearly non-degenerate meromorphic mappings from \(\mathbb C^m\) to \(\mathbb C\mathbb P^n\) and \(\{H_j\}_{j=1}^q\) \(q\) hyperplanes in general position in \(\mathbb C\mathbb P^n\) with \(\dim(f^{-1}(H_i)\cap f^{-1}(H_j))\leq m-2\) for all \(1\leq i < j \leq q\). Let \(\overline{E}(H, f)\) be the zero set of \((f, H)\). In this paper, the authors extend some uniqueness theorems from meromorphic functions to meromorphic mappings. For instance, the authors prove that \(f\equiv g\) if \(\overline{E}(H_j, f) \subset \overline{E}(H_j, g)\), \(f=g\) on \(\bigcup_{j=1}^qf^{-1}(H_j)\), \(q=3n+2\) and \(\liminf_{r \to \infty}(\sum_1^qN^1_{(f, H_j)}(r))/(\sum_1^qN^1_{(g, H_j)}(r))>n/(n+1)\).
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meromorphic mapping
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uniqueness theorem
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Nevanlinna theory
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