| friedmann robertson walker | FRW | 224 | 18 | 2.002154 | 0801.2809,0801.2692,etc |
| post newtonian | PN | 69 | 6 | 2.001574 | 0801.0900,0801.1473,etc |
| anti de sitter | AdS | 84 | 5 | 2.002606 | 0801.1021,0801.3080,etc |
| kaluza klein | KK | 146 | 5 | 1.008589 | 0801.2842,0801.2020,etc |
| integrated sachs wolfe | ISW | 38 | 4 | 2.003696 | 0801.2692,0801.3847,etc |
| null energy condition | NEC | 59 | 4 | 1.002699 | 0801.0735,0801.4401,etc |
| innermost stable circular orbit | ISCO | 109 | 4 | 2.005436 | 0801.1547,0801.2911,etc |
| cosmological microwave background | CMB | 24 | 3 | 1.000435 | 0801.2692,0801.0116,etc |
| friedman robertson walker | FRW | 32 | 3 | 1.000925 | 0801.0304,0801.1921,etc |
| de sitter | dS | 134 | 3 | 2.00502 | 0801.0905,0801.3080,etc |
| standard model extension | SME | 27 | 3 | 2.006296 | 0801.2919,0801.0287,etc |
| yang mills | YM | 56 | 3 | 2.009163 | 0801.3662,0801.2110,etc |
| equations of state | EoS | 87 | 3 | 2.000836 | 0801.4478,0801.2741,etc |