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Patrick Ahern; Xianghong Gong
Real analytic manifolds in ${\mathbb{C}}^n$ with parabolic complex tangents along a submanifold of codimension one
Annales de la faculté des sciences de Toulouse Sér. 6, 18 no. 1 (2009), p. 1-64, doi: 10.5802/afst.1204
Article PDF | Reviews MR 2518102 | Zbl 1182.32013

Résumé - Abstract

We will classify $n$-dimensional real submanifolds in ${{\mathbb{C}}}^n$ which have a set of parabolic complex tangents of real dimension $n-1$. All such submanifolds are equivalent under formal biholomorphisms. We will show that the equivalence classes under convergent local biholomorphisms form a moduli space of infinite dimension. We will also show that there exists an $n$-dimensional submanifold $M$ in ${{\mathbb{C}}}^n$ such that its images under biholomorphisms $(z_1, \dots , z_n) \mapsto (rz_1, \dots , rz_{n-1}, r^2z_n)$, $r > 1$, are not equivalent to $M$ via any local volume-preserving holomorphic map.

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