Lecture 5. Null hypersurfaces
- 00:15Null hypersurfaces
- 15:34Example of null geodesics
- 18:30Geodesic deviation
- 30:23Geodesic congruences
- 47:00Null geodesic congruences
- 01:00:51Expansion, shear and rotation of the null hyperspace
- 01:19:51Gaussian null coordinates
- 01:39:20Expansion of the null hypersurface