| 1 | friedmann robertson walker | FRW | 85 | 18 | 1.000891 | 1604.03934,1604.08032,etc |
| 2 | anti de sitter | AdS | 217 | 13 | 1.002379 | 1604.08203,1604.03363,etc |
| 3 | null energy condition | NEC | 113 | 10 | 2.003455 | 1604.08032,1604.02913,etc |
| 4 | loop quantum cosmology | LQC | 102 | 7 | 2.002389 | 1604.08129,1604.03828,etc |
| 5 | friedmann lema^{i}tre robertson walker | FLRW | 26 | 7 | 1.000493 | 1604.02632,1604.07330,etc |
| 6 | de sitter | dS | 233 | 7 | 2.002154 | 1604.02266,1604.03120,etc |
| 7 | friedmann lema^tre robertson walker | FLRW | 20 | 6 | 1.00079 | 1604.06947,1604.06824,etc |
| 8 | arnowitt deser misner | ADM | 24 | 6 | 1.000441 | 1604.01396,1604.06932,etc |
| 9 | friedmann lema^itre robertson walker | FLRW | 28 | 5 | 2.000565 | 1604.03973,1604.06908,etc |
| 10 | binary black hole | BBH | 99 | 5 | 1.003949 | 1604.02513,1604.03958,etc |
| 11 | effective field theory | EFT | 33 | 4 | 1.002964 | 1604.08038,1604.07330,etc |
| 12 | friedmann lemaitre robertson walker | FLRW | 36 | 4 | 1.000393 | 1604.03503,1604.00899,etc |
| 13 | wheeler dewitt | WDW | 16 | 4 | 2.000773 | 1604.03580,1604.03036,etc |
| 14 | national research foundation | NRF | 5 | 4 | 1.000279 | 1604.06908,1604.01157,etc |
| 15 | quantum field theory | QFT | 19 | 4 | 1.000278 | 1604.02138,1604.04000,etc |
| 16 | post newtonian | PN | 121 | 4 | 2.008622 | 1604.08253,1604.05810,etc |
| 17 | short gamma ray burst | SGRB | 11 | 3 | 1.000391 | 1604.03445,1604.06668,etc |
| 18 | newman penrose | NP | 31 | 3 | 2.001812 | 1604.07764,1604.05638,etc |
| 19 | einstein telescope | ET | 7 | 3 | 1.000268 | 1604.02513,1604.08285,etc |
| 20 | newton cartan | NC | 50 | 3 | 2.003591 | 1604.08711,1604.08054,etc |
| 21 | einstein yang mills | EYM | 50 | 3 | 1.005193 | 1604.01137,1604.05012,etc |
| 22 | wentzel kramers brillouin | WKB | 13 | 3 | 1.001079 | 1604.02140,1604.00820,etc |
| 23 | parametrized post newtonian | PPN | 17 | 3 | 1.001586 | 1604.01396,1604.06668,etc |
| 24 | quasinormal mode | QNM | 61 | 3 | 2.00318 | 1604.08285,1604.07845,etc |
| 25 | unimodular gravity | UG | 15 | 3 | 1.002544 | 1604.07263,1604.06760,etc |