null hypersurface
C34875
concept
A null hypersurface is a (typically three-dimensional) submanifold of spacetime whose normal vector is everywhere lightlike, so that it is generated by null geodesics and has zero induced metric determinant.
All labels observed (1)
| Label | Occurrences |
|---|---|
| null hypersurface canonical | 1 |
Instances (1)
| Instance | Via concept surface |
|---|---|
| Cauchy horizon | — |