I love me some weird general relativity effects!
14 Global Properties of Spacetime Manifolds May 7 '14
13 Highest symmetric non-maximally symmetric spacetime Aug 16 '15
10 How to deal with boundary conditions for path integrals? Nov 27 '15
7 What would a closed timelike curve look like? Jun 29 '15
6 Is it possible to do a path integral between two boundaries analytically on a quantum lattice? Apr 25