constraint hypersurface約束超曲面
quadratic hypersurface二次超曲面
imaginary quadric hypersurface虛二次超曲面
algebraic hypersurface代數超曲面
equidistant hypersurface等距超曲面
isoparametric hypersurface等參超曲面
real quadric hypersurface實二次超曲面
convex hypersurface凸超曲面
central quadric hypersurface有心二次超曲面