New posts in General Relativity

Massless Kerr black hole

What does it mean to treat space and time on equal footing?

Schwarzschild solution, stress-energy side of Einstein's equation

Quantum String action

Is it possible that antimatter has positive inertial mass but negative gravitational mass?

Why can’t gravitons distinguish gravity and inertial acceleration?

Definition of spacetime in GR

Are wormholes evidence for traversal of a higher dimension?

General relativity (and other theories) when proven wrong

Is a Schwarzschild solution possible in 3 space-time dimensions?