| friedmann robertson walker | FRW | 46 | 16 | 1.000399 | 1510.04701,1510.08432,etc |
| anti de sitter | AdS | 373 | 13 | 2.00378 | 1510.00085,1510.01650,etc |
| arnowitt deser misner | ADM | 25 | 11 | 1.000539 | 1510.06261,1510.00188,etc |
| gauss bonnet | GB | 121 | 7 | 2.002566 | 1510.07490,1510.08557,etc |
| null energy condition | NEC | 48 | 6 | 1.001773 | 1510.02099,1510.00158,etc |
| loop quantum cosmology | LQC | 156 | 5 | 2.002852 | 1510.04701,1510.03855,etc |
| quasinormal mode | QNM | 39 | 5 | 1.00364 | 1510.07184,1510.08159,etc |
| friedmann lema^tre robertson walker | FLRW | 17 | 4 | 1.000293 | 1510.00807,1510.06628,etc |
| born infeld | BI | 54 | 4 | 2.000928 | 1510.06261,1510.08557,etc |
| nonlinear electrodynamics | NED | 63 | 4 | 2.001344 | 1510.06261,1510.08557,etc |
| conformal field theory | CFT | 178 | 4 | 2.005914 | 1510.00141,1510.01423,etc |
| post newtonian | PN | 124 | 4 | 2.001953 | 1510.05172,1510.06245,etc |
| friedmann lema^{i}tre robertson walker | FLRW | 25 | 4 | 2.000261 | 1510.07037,1510.06853,etc |
| effective field theory | EFT | 15 | 3 | 2.000473 | 1510.05964,1510.08889,etc |
| nonlinear electrodynamics coupled to gravity | NED-GR | 22 | 3 | 2.000607 | 1510.01352,1510.01353,etc |
| randall sundrum | RS | 49 | 3 | 2.003685 | 1510.05939,1510.03345,etc |
| schwarzschild de sitter | SdS | 14 | 3 | 2.000975 | 1510.06860,1510.08340,etc |
| friedmann lema^itre robertson walker | FLRW | 23 | 3 | 1.002691 | 1510.05771,1510.04990,etc |
| boyer lindquist | BL | 7 | 3 | 1.000112 | 1510.04170,1510.03669,etc |
| de sitter | dS | 20 | 3 | 2.001001 | 1510.00595,1510.07089,etc |
| kaluza klein | KK | 76 | 3 | 2.003966 | 1510.02946,1510.07551,etc |
| parametrized post newtonian | PPN | 5 | 3 | 1.000022 | 1510.02946,1510.06198,etc |
| bondi metzner sachs | BMS | 39 | 3 | 2.00251 | 1510.03876,1510.04990,etc |
| dvali gabadadze porrati | DGP | 14 | 3 | 1.000592 | 1510.07551,1510.06853,etc |
| generalized uncertainty principle | GUP | 75 | 3 | 2.003286 | 1510.04423,1510.05347,etc |
| effective one body | EOB | 32 | 3 | 1.002123 | 1510.06230,1510.05548,etc |