| ADM |
Arnowitt–Deser–Misner |
| (A)dS |
(Anti-)de Sitter |
| AH |
Apparent horizon |
| BH |
Black hole |
| BSSN |
Baumgarte–Shapiro–Shibata–Nakamura |
| CFT |
Conformal field theory |
| EOB |
Effective one-body |
| GHG |
Generalized Harmonic Gauge |
| EM |
Electromagnetism, Electromagnetic |
| GR |
General relativity |
| GW |
Gravitational wave |
| IBVP |
Initial-boundary-value problem |
| LHC |
Large Hadron Collider |
| LIGO |
Laser Interferometric Gravitational-Wave Observatory |
| NR |
Numerical relativity |
| NS |
Neutron star |
| PDE |
Partial differential equation |
| PN |
Post-Newtonian |
| PPN |
Parametrized Post-Newtonian |
| QNM |
Quasi-normal mode |
| RN |
Reissner–Nordström |
| SMT |
String/M theory |
| ZFL |
Zero-frequency limit |