| friedmann robertson walker | FRW | 69 | 12 | 2.001391 | 0904.0829,0904.0940,etc |
| post newtonian | PN | 52 | 5 | 1.001439 | 0904.2577,0904.1715,etc |
| friedman robertson walker | FRW | 19 | 4 | 2.001217 | 0904.0110,0904.2190,etc |
| quantum field theory | QFT | 35 | 4 | 2.000512 | 0904.0453,0904.3779,etc |
| innermost stable circular orbit | ISCO | 13 | 4 | 2.000222 | 0904.4501,0904.1017,etc |
| ricci dark energy | RDE | 64 | 4 | 2.002882 | 0904.0045,0904.0928,etc |
| anti de sitter | AdS | 110 | 4 | 2.003988 | 0904.4538,0904.1566,etc |
| open string field theory | OSFT | 20 | 3 | 2.001057 | 0904.0110,0904.4245,etc |
| ordinary differential equation | ODE | 21 | 3 | 1.000964 | 0904.1590,0904.3276,etc |
| last stable orbit | LSO | 3 | 3 | 1.000048 | 0904.1715,0904.3810,etc |
| arnowitt deser misner | ADM | 9 | 3 | 1.000442 | 0904.0062,0904.3406,etc |