| boundary condition | 3284 | 826 | 3.762 | 0.001599 | 1501.03806,1501.05804,etc |
| energy-momentum tensor | 2055 | 800 | 2.379 | 0.001198 | 1501.02342,1501.05952,etc |
| differential equation | 1677 | 754 | 2.62 | 0.000872 | 1501.02342,1501.05804,etc |
| matter field | 1805 | 742 | 2.5 | 0.001122 | 1501.05804,1501.01765,etc |
| line element | 1259 | 671 | 2.098 | 0.000924 | 1501.03806,1501.04539,etc |
| quantum field theory | 1126 | 555 | 2.306 | 0.001588 | 1501.04606,1501.03749,etc |
| flat spacetime | 1181 | 532 | 2.424 | 0.000919 | 1501.03806,1501.01478,etc |
| field theory | 1155 | 521 | 2.091 | 0.00079 | 1501.04937,1501.03845,etc |
| quantum theory | 1413 | 509 | 2.237 | 0.001123 | 1501.03806,1501.03298,etc |
| Einstein' equation | 1138 | 479 | 2.744 | 0.001103 | 1501.02342,1501.03119,etc |
| kinetic term | 1239 | 470 | 2.484 | 0.001016 | 1501.02816,1501.03845,etc |
| gravity theory | 1004 | 434 | 2.091 | 0.001139 | 1501.03119,1501.03989,etc |
| quantum mechanic | 980 | 406 | 3.125 | 0.001192 | 1501.01637,1501.03687,etc |
| Einstein-Hilbert action | 689 | 406 | 2.043 | 0.000599 | 1501.03478,1501.07614,etc |
| Einstein gravity | 1053 | 399 | 2.69 | 0.001521 | 1501.04606,1501.02674,etc |
| Planck scale | 925 | 396 | 2.912 | 0.001087 | 1501.04937,1501.01286,etc |
| evolution equation | 1194 | 391 | 4.528 | 0.000987 | 1501.01765,1501.03478,etc |
| metric function | 1089 | 374 | 3.667 | 0.001265 | 1501.03806,1501.05804,etc |
| black hole solution | 1000 | 370 | 3.576 | 0.001644 | 1501.00015,1501.05218,etc |
| nonumber & | 1109 | 366 | 4.1 | 0.001461 | 1501.01286,1501.03845,etc |
| curved spacetime | 871 | 364 | 2.419 | 0.001397 | 1501.03749,1501.03298,etc |
| initial datum | 1758 | 360 | 5.161 | 0.001511 | 1501.04365,1501.01637,etc |
| stress-energy tensor | 946 | 347 | 2.615 | 0.001151 | 1501.03806,1501.01637,etc |
| asymptotic behavior | 626 | 326 | 2.48 | 0.000723 | 1501.03260,1501.05114,etc |
| black hole horizon | 768 | 322 | 3.103 | 0.001695 | 1501.03806,1501.01286,etc |
| imaginary part | 839 | 314 | 2.391 | 0.001059 | 1501.00855,1501.04694,etc |
| effective action | 1509 | 310 | 4.217 | 0.001618 | 1501.03806,1501.03845,etc |
| linear order | 670 | 302 | 2.062 | 0.000707 | 1501.03845,1501.02809,etc |
| first law | 1249 | 298 | 5.692 | 0.002123 | 1501.05045,1501.05218,etc |
| gravitational theory | 527 | 296 | 2.333 | 0.001041 | 1501.04004,1501.00058,etc |
| quantum correction | 735 | 294 | 2.931 | 0.001294 | 1501.03806,1501.01286,etc |
| spacetime dimension | 568 | 287 | 2.158 | 0.000717 | 1501.04606,1501.06570,etc |
| geodesic equation | 792 | 286 | 2.6 | 0.001336 | 1501.03806,1501.00015,etc |
| constraint equation | 632 | 284 | 2.636 | 0.000711 | 1501.01765,1501.07614,etc |
| symmetric solution | 608 | 280 | 2.571 | 0.000857 | 1501.02198,1501.06288,etc |
| boundary term | 930 | 277 | 4.286 | 0.001751 | 1501.05522,1501.00007,etc |
| nonumber && | 887 | 266 | 4.45 | 0.00125 | 1501.07819,1501.01408,etc |
| extra dimension | 838 | 261 | 3.889 | 0.002051 | 1501.04937,1501.02674,etc |
| conformal factor | 645 | 256 | 3.81 | 0.000882 | 1501.06577,1501.03007,etc |
| electric field | 740 | 252 | 2.455 | 0.001369 | 1501.03989,1501.00331,etc |
| linear perturbation | 538 | 248 | 2.13 | 0.001084 | 1501.02198,1501.07728,etc |
| Einstein frame | 1148 | 244 | 4.0 | 0.002127 | 1501.07743,1501.04606,etc |
| Klein-Gordon equation | 582 | 239 | 3.13 | 0.001218 | 1501.01286,1501.04694,etc |
| scalar-tensor theory | 604 | 239 | 3.368 | 0.001429 | 1501.04004,1501.03260,etc |
| spatial infinity | 531 | 239 | 2.625 | 0.000865 | 1501.06570,1501.04773,etc |
| state parameter | 689 | 237 | 2.4 | 0.001317 | 1501.01765,1501.03749,etc |
| cosmological perturbation | 544 | 237 | 2.333 | 0.000788 | 1501.07718,1501.06540,etc |
| dynamical equation | 461 | 228 | 2.364 | 0.000826 | 1501.01765,1501.04484,etc |
| Hamiltonian constraint | 884 | 226 | 3.444 | 0.001526 | 1501.00855,1501.07614,etc |
| sufficient condition | 386 | 225 | 2.235 | 0.000626 | 1501.02816,1501.01765,etc |
| matter density | 419 | 223 | 2.2 | 0.00069 | 1501.03749,1501.03163,etc |
| Lagrange multiplier | 646 | 222 | 2.75 | 0.00116 | 1501.03845,1501.03538,etc |
| extra term | 323 | 220 | 2.357 | 0.000481 | 1501.04694,1501.00007,etc |
| massive particle | 508 | 219 | 3.5 | 0.001287 | 1501.07776,1501.00015,etc |
| dynamical system | 740 | 214 | 5.1 | 0.001246 | 1501.07728,1501.00391,etc |
| gravity model | 536 | 212 | 2.571 | 0.001011 | 1501.03119,1501.04076,etc |
| black hole thermodynamic | 435 | 210 | 2.25 | 0.001596 | 1501.01286,1501.04606,etc |
| analytical solution | 409 | 210 | 3.182 | 0.000825 | 1501.03749,1501.04134,etc |
| Schwarzschild solution | 442 | 206 | 3.545 | 0.000711 | 1501.03806,1501.02198,etc |
| spacetime geometry | 337 | 204 | 3.214 | 0.000758 | 1501.01637,1501.07728,etc |
| slow-roll parameter | 750 | 200 | 3.833 | 0.001542 | 1501.07743,1501.02816,etc |
| Poisson bracket | 659 | 198 | 4.0 | 0.00114 | 1501.00855,1501.05910,etc |
| commutation relation | 383 | 198 | 2.625 | 0.000662 | 1501.01286,1501.03845,etc |
| Sitter space | 720 | 196 | 4.941 | 0.001961 | 1501.03806,1501.07819,etc |
| black hole mass | 411 | 194 | 2.188 | 0.00116 | 1501.04937,1501.04365,etc |
| momentum space | 479 | 191 | 3.333 | 0.000979 | 1501.07776,1501.05522,etc |
| tensor-to-scalar ratio | 876 | 190 | 2.636 | 0.001864 | 1501.07743,1501.02816,etc |
| inner product | 525 | 188 | 3.4 | 0.000839 | 1501.05045,1501.00480,etc |
| curvature singularity | 401 | 186 | 2.045 | 0.000997 | 1501.03806,1501.04090,etc |
| Jordan frame | 786 | 185 | 4.077 | 0.001718 | 1501.07743,1501.04591,etc |
| massive gravity | 902 | 182 | 2.467 | 0.002212 | 1501.04606,1501.03845,etc |
| general result | 252 | 179 | 2.056 | 0.000422 | 1501.01637,1501.07728,etc |
| Newtonian gravity | 385 | 177 | 4.75 | 0.001024 | 1501.05952,1501.04694,etc |
| static solution | 405 | 176 | 2.25 | 0.001262 | 1501.01286,1501.05218,etc |
| quantum system | 363 | 176 | 2.889 | 0.001365 | 1501.01286,1501.05910,etc |
| Schwarzschild spacetime | 408 | 176 | 2.923 | 0.000861 | 1501.04365,1501.00015,etc |
| light ray | 588 | 175 | 3.0 | 0.001863 | 1501.03806,1501.04606,etc |
| spatial curvature | 355 | 174 | 2.067 | 0.000849 | 1501.04076,1501.03989,etc |
| finite time | 376 | 174 | 2.312 | 0.000997 | 1501.04365,1501.01637,etc |
| analytic solution | 301 | 171 | 4.444 | 0.000472 | 1501.07728,1501.05910,etc |
| large limit | 381 | 168 | 2.167 | 0.000752 | 1501.07728,1501.01408,etc |
| Lie algebra | 461 | 168 | 3.875 | 0.000902 | 1501.00855,1501.06047,etc |
| effective equation | 522 | 167 | 2.636 | 0.001393 | 1501.04004,1501.05848,etc |
| Killing vector field | 402 | 166 | 2.267 | 0.00171 | 1501.00015,1501.05218,etc |
| effective mass | 335 | 166 | 2.364 | 0.0008 | 1501.06570,1501.06540,etc |
| tensor field | 399 | 164 | 3.4 | 0.000739 | 1501.06570,1501.05129,etc |
| auxiliary field | 438 | 164 | 2.421 | 0.000979 | 1501.01637,1501.02674,etc |
| flat space-time | 337 | 161 | 2.667 | 0.000684 | 1501.05804,1501.04694,etc |
| AdS spacetime | 408 | 160 | 2.133 | 0.001053 | 1501.03260,1501.05218,etc |
| first part | 226 | 160 | 2.077 | 0.000346 | 1501.00966,1501.04090,etc |
| order correction | 257 | 159 | 2.769 | 0.00079 | 1501.00996,1501.05331,etc |
| conformal invariance | 342 | 156 | 2.333 | 0.00088 | 1501.07819,1501.00007,etc |
| Maxwell field | 464 | 155 | 2.5 | 0.001295 | 1501.03260,1501.06570,etc |
| dynamical variable | 329 | 153 | 3.0 | 0.000855 | 1501.01765,1501.00480,etc |
| constant curvature | 276 | 150 | 3.118 | 0.000737 | 1501.00855,1501.07819,etc |
| asymptotic region | 373 | 150 | 2.111 | 0.000717 | 1501.01637,1501.06570,etc |
| null vector | 338 | 150 | 2.143 | 0.000609 | 1501.04606,1501.02809,etc |
| scalar product | 329 | 148 | 4.154 | 0.000832 | 1501.00855,1501.03298,etc |
| first integral | 276 | 148 | 4.769 | 0.000573 | 1501.07614,1501.07819,etc |
| massive scalar field | 296 | 147 | 2.692 | 0.001768 | 1501.04090,1501.00058,etc |
|