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Blaschke type normalization on light-like hypersurfaces. (English) Zbl 1230.53013
For the class of light-like hypersurfaces in Lorentz space $$\mathbb{R}^{n+2}_1$$ with $$n \geq 1$$, the author introduces a natural analogue of a Blaschke structure on hypersurfaces in real affine space.
Reviewer: Udo Simon (Berlin)

MSC:
 53A15 Affine differential geometry 53B30 Local differential geometry of Lorentz metrics, indefinite metrics