| friedmann robertson walker | FRW | 226 | 19 | 1.526983 | 0202010,0202047,etc |
| post newtonian | PN | 858 | 13 | 1.544973 | 0203020,0203030,etc |
| innermost stable circular orbit | ISCO | 83 | 10 | 1.200635 | 0203030,0203086,etc |
| arnowitt deser misner | ADM | 100 | 6 | 1.333824 | 0205084,0205122,etc |
| friedman robertson walker | FRW | 40 | 4 | 2.001198 | 0203023,0203074,etc |
| space interferometry mission | SIM | 101 | 4 | 2.002777 | 0205059,0205061,etc |
| effective one body | EOB | 101 | 4 | 2.00162 | 0205008,0205122,etc |
| anti de sitter | AdS | 54 | 4 | 2.001691 | 0206039,0206065,etc |
| standard quantum limit | SQL | 80 | 4 | 2.000746 | 0208029,0208048,etc |
| optical path difference | OPD | 23 | 3 | 2.000122 | 0205061,0205062,etc |
| swiss national science foundation | SNSF | 3 | 3 | 1.000034 | 0212054,0212055,etc |