Convergent normal form for real hypersurfaces at a generic Levi-degeneracy

We construct a complete convergent normal form for a real hypersurface in , , at a generic Levi-degeneracy. This seems to be the first convergent normal form for a Levi-degenerate hypersurface. As an application of the convergence result, we obtain an explicit description of the moduli space of germ...

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Veröffentlicht in:Journal für die reine und angewandte Mathematik 2019-04, Vol.2019 (749), p.201-225
Hauptverfasser: Kossovskiy, Ilya, Zaitsev, Dmitri
Format: Artikel
Sprache:eng
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Zusammenfassung:We construct a complete convergent normal form for a real hypersurface in , , at a generic Levi-degeneracy. This seems to be the first convergent normal form for a Levi-degenerate hypersurface. As an application of the convergence result, we obtain an explicit description of the moduli space of germs of real-analytic hypersurfaces with a generic Levi-degeneracy. As another application, we obtain, in the spirit of the work of Chern and Moser [ ], distinguished curves inside the Levi-degeneracy set that we call
ISSN:0075-4102
1435-5345
DOI:10.1515/crelle-2016-0034