Mathematics – Complex Variables
Scientific paper
2009-03-12
Journal of Geometric Analysis 20 (2010), 72-89
Mathematics
Complex Variables
15 pages. Final version, to appear in Journal of Geometric Analysis
Scientific paper
10.1007/s12220-009-9102-y
Two proper polynomial maps $f_1, f_2 \colon \mathbb{C}^2 \longrightarrow \mathbb{C}^2$ are said to be \emph{equivalent} if there exist $\Phi_1, \Phi_2 \in \textrm{Aut}(\mathbb{C}^2)$ such that $f_2=\Phi_2 \circ f_1 \circ \Phi_1$. We investigate proper polynomial maps of arbitrary topological degree $d \geq 2$ up to equivalence. Under the further assumption that the maps are Galois coverings we also provide the complete description of equivalence classes. This widely extends previous results obtained by Lamy in the case $d=2$.
Bisi Cinzia
Polizzi Francesco
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