Category
page 1Theorems in general relativity
Penrose–Hawking singularity theorems
theorem
no-hair theorem
theorem
Birkhoff's theorem
theorem that any spherically symmetric solution of the vacuum field equations must be static and asymptotically flat
firewall
hypothetical phenomenon where an observer falling into a black hole encounters high-energy quanta at the event horizon
positive energy theorem
key result in general relativity