Commun. Korean Math. Soc. 1997 Vol. 12, No. 1, 109-112
Kwang Sung Park, Koonchan Kim, Young Soo Jo Keimyung University, Keimyung University, Keimyung University
Abstract : In this paper, we study on a classification of hypersurfaces given by transnormal functions on $R^{n+1}_1$. If $M$ is a level set of a transnormal function on $R^{n+1}_1$, then it is one of a hyperplane, a cylinder around $k$-plane, a pseudo-sphere and a pseudo-hyperbolic space.