- #1
Pentaquark5
- 17
- 2
Hi, how can I prove that any 2-dim Lorentzian metric can locally be brought to the form
$$g=2 g_{uv}(u,v) \mathrm{d}u \mathrm{d}v=2 g_{uv}(-\mathrm{d}t^2+dr^2)$$
in which the light-cones have slopes one?
Thanks!
$$g=2 g_{uv}(u,v) \mathrm{d}u \mathrm{d}v=2 g_{uv}(-\mathrm{d}t^2+dr^2)$$
in which the light-cones have slopes one?
Thanks!