Hypersurfaces in lightlike cone

Source file is available as :  

Author(s) : Liu Huili

Preprint series of the Institute of Mathematics, Technische Universität Berlin
Preprint 40-2003

MSC 2000

53B30 Lorentz metrics, indefinite metrics
53A30 Conformal differential geometry

Abstract :
In this paper, we are concerned with the hypersurfaces in $(n+1)$ dimensional lightlike cone. We will give the fundamental theories of such hypersurfaces and characterize some of them.

Keywords : lightlike cone, conformal flat, nondegenerate hypersurface, hyperquadric