| boundary condition | 3135 | 810 | 4.521 | 0.001602 | 1701.05257,1701.07420,etc |
| energy-momentum tensor | 2341 | 772 | 2.943 | 0.001405 | 1701.07702,1701.08224,etc |
| differential equation | 1578 | 739 | 2.222 | 0.000768 | 1701.00170,1701.08667,etc |
| matter field | 1750 | 702 | 2.043 | 0.001015 | 1701.06837,1701.02429,etc |
| exact solution | 1433 | 595 | 2.279 | 0.001399 | 1701.08667,1701.06343,etc |
| quantum field theory | 1169 | 588 | 2.226 | 0.00094 | 1701.08203,1701.06161,etc |
| gravity theory | 1146 | 496 | 2.269 | 0.000829 | 1701.07702,1701.08667,etc |
| quantum theory | 1342 | 488 | 5.4 | 0.001138 | 1701.07420,1701.01203,etc |
| Einstein' equation | 1132 | 460 | 3.286 | 0.000905 | 1701.05257,1701.02491,etc |
| kinetic term | 991 | 424 | 2.571 | 0.00077 | 1701.06890,1701.01107,etc |
| Planck scale | 1058 | 403 | 2.077 | 0.001192 | 1701.00341,1701.01203,etc |
| spherical symmetry | 961 | 398 | 2.25 | 0.000916 | 1701.07462,1701.00819,etc |
| nonumber & | 1162 | 391 | 4.364 | 0.001184 | 1701.01203,1701.00259,etc |
| curved spacetime | 832 | 386 | 2.214 | 0.000955 | 1701.05257,1701.07771,etc |
| initial datum | 2202 | 381 | 3.4 | 0.001673 | 1701.02034,1701.01548,etc |
| stress-energy tensor | 981 | 377 | 2.864 | 0.001369 | 1701.08203,1701.08776,etc |
| evolution equation | 1139 | 360 | 3.304 | 0.00105 | 1701.07420,1701.08406,etc |
| black hole solution | 895 | 350 | 2.19 | 0.00174 | 1701.06837,1701.07737,etc |
| Einstein gravity | 1001 | 344 | 2.13 | 0.001434 | 1701.06890,1701.06837,etc |
| metric function | 985 | 339 | 4.944 | 0.0014 | 1701.07462,1701.00819,etc |
| imaginary part | 824 | 318 | 3.0 | 0.001067 | 1701.02034,1701.01548,etc |
| hand side | 565 | 307 | 2.3 | 0.000368 | 1701.01548,1701.01203,etc |
| constraint equation | 847 | 296 | 2.529 | 0.001084 | 1701.08224,1701.04360,etc |
| geodesic equation | 709 | 291 | 2.071 | 0.001077 | 1701.04226,1701.08499,etc |
| boundary term | 936 | 289 | 2.176 | 0.001293 | 1701.07420,1701.07202,etc |
| quantum correction | 725 | 281 | 2.55 | 0.00151 | 1701.00170,1701.08719,etc |
| symmetric solution | 556 | 278 | 3.19 | 0.000723 | 1701.05332,1701.03192,etc |
| real part | 633 | 278 | 2.056 | 0.000846 | 1701.02034,1701.08406,etc |
| scalar-tensor theory | 842 | 273 | 2.25 | 0.001246 | 1701.06890,1701.06892,etc |
| effective action | 966 | 272 | 5.909 | 0.001622 | 1701.00170,1701.00341,etc |
| spacetime dimension | 569 | 267 | 2.5 | 0.000758 | 1701.04992,1701.00079,etc |
| matter content | 483 | 256 | 2.158 | 0.000775 | 1701.00170,1701.07771,etc |
| conformal factor | 663 | 256 | 2.529 | 0.001322 | 1701.05257,1701.07420,etc |
| symmetric spacetime | 492 | 250 | 3.267 | 0.000895 | 1701.04226,1701.08499,etc |
| electric field | 847 | 240 | 2.214 | 0.001621 | 1701.00170,1701.05332,etc |
| first law | 944 | 234 | 3.25 | 0.001755 | 1701.06837,1701.01107,etc |
| effective theory | 475 | 233 | 2.056 | 0.000694 | 1701.00170,1701.07420,etc |
| cosmological perturbation | 602 | 230 | 3.211 | 0.0012 | 1701.02491,1701.00819,etc |
| source term | 526 | 228 | 2.3 | 0.000585 | 1701.00341,1701.09100,etc |
| Lagrange multiplier | 612 | 226 | 3.077 | 0.000891 | 1701.07420,1701.05332,etc |
| effective field theory | 479 | 225 | 3.4 | 0.00109 | 1701.00341,1701.00437,etc |
| Schwarzschild spacetime | 525 | 224 | 2.118 | 0.000943 | 1701.03166,1701.07771,etc |
| curvature tensor | 427 | 223 | 2.077 | 0.000707 | 1701.08224,1701.00079,etc |
| gravitational action | 395 | 223 | 2.053 | 0.000458 | 1701.06892,1701.07202,etc |
| gravity model | 526 | 218 | 2.231 | 0.000998 | 1701.07702,1701.00134,etc |
| state parameter | 605 | 215 | 2.364 | 0.00142 | 1701.03418,1701.06892,etc |
| matter sector | 447 | 215 | 2.818 | 0.000828 | 1701.04992,1701.03196,etc |
| cosmological evolution | 424 | 213 | 3.125 | 0.000797 | 1701.06892,1701.00761,etc |
| Schwarzschild solution | 429 | 213 | 2.312 | 0.000787 | 1701.07462,1701.01046,etc |
| commutation relation | 427 | 210 | 3.714 | 0.00084 | 1701.00170,1701.07519,etc |
| background spacetime | 365 | 208 | 2.273 | 0.000541 | 1701.07771,1701.03192,etc |
| Hamiltonian constraint | 748 | 204 | 2.176 | 0.001125 | 1701.00170,1701.07420,etc |
| Einstein frame | 1131 | 202 | 3.636 | 0.002113 | 1701.06890,1701.05572,etc |
| Sitter space | 778 | 202 | 5.125 | 0.001515 | 1701.00114,1701.05753,etc |
| second derivative | 381 | 201 | 5.0 | 0.000737 | 1701.05753,1701.08719,etc |
| smooth function | 407 | 201 | 3.6 | 0.00043 | 1701.01137,1701.08719,etc |
| path integral | 843 | 198 | 4.067 | 0.001208 | 1701.00341,1701.05753,etc |
| slow-roll parameter | 612 | 196 | 2.545 | 0.001458 | 1701.06890,1701.05753,etc |
| inflaton field | 621 | 193 | 2.692 | 0.001231 | 1701.06890,1701.07918,etc |
| background geometry | 339 | 193 | 2.167 | 0.00049 | 1701.08219,1701.01003,etc |
| extra dimension | 799 | 191 | 4.818 | 0.002007 | 1701.08224,1701.02429,etc |
| quantum system | 427 | 187 | 3.25 | 0.00097 | 1701.00170,1701.01107,etc |
| tangent vector | 379 | 187 | 2.125 | 0.000538 | 1701.08406,1701.08224,etc |
| light ray | 707 | 186 | 6.0 | 0.0024 | 1701.05257,1701.03418,etc |
| horizon radius | 423 | 186 | 2.25 | 0.00097 | 1701.06837,1701.05332,etc |
| effective mass | 351 | 179 | 2.429 | 0.000642 | 1701.02034,1701.03316,etc |
| derivative term | 449 | 176 | 2.538 | 0.001128 | 1701.00341,1701.03316,etc |
| total energy density | 300 | 175 | 2.667 | 0.000784 | 1701.00170,1701.03805,etc |
| matter source | 330 | 174 | 2.786 | 0.000775 | 1701.06837,1701.03362,etc |
| curvature singularity | 403 | 170 | 3.556 | 0.001153 | 1701.00006,1701.04228,etc |
| massive gravity | 772 | 168 | 7.154 | 0.002553 | 1701.03316,1701.08776,etc |
| Sitter spacetime | 559 | 167 | 5.0 | 0.001354 | 1701.05257,1701.08499,etc |
| entanglement entropy | 1435 | 167 | 6.889 | 0.003466 | 1701.07202,1701.02235,etc |
| black hole spacetime | 309 | 166 | 2.2 | 0.001069 | 1702.00490,1702.05716,etc |
| Poisson bracket | 617 | 165 | 3.733 | 0.001202 | 1701.07519,1701.02235,etc |
| Newtonian gravity | 344 | 165 | 3.364 | 0.000762 | 1701.00114,1701.08217,etc |
| null vector | 324 | 164 | 2.375 | 0.000664 | 1701.08406,1701.07771,etc |
| Kerr spacetime | 479 | 163 | 3.5 | 0.001218 | 1701.05828,1701.00079,etc |
| linear term | 273 | 162 | 9.5 | 0.000593 | 1701.03192,1701.02450,etc |
| AdS spacetime | 350 | 162 | 3.875 | 0.000697 | 1701.04226,1701.00006,etc |
| Lie algebra | 471 | 162 | 2.933 | 0.001051 | 1701.07519,1701.04226,etc |
| first derivative | 251 | 162 | 2.833 | 0.000439 | 1701.05753,1701.04360,etc |
| massive scalar field | 402 | 156 | 2.75 | 0.002808 | 1701.03805,1701.04228,etc |
| Jordan frame | 752 | 156 | 2.286 | 0.001785 | 1701.06890,1701.01267,etc |
| real number | 234 | 156 | 2.222 | 0.000341 | 1701.01107,1701.02439,etc |
| classical limit | 347 | 154 | 2.556 | 0.000683 | 1701.00170,1701.08776,etc |
| cosmological horizon | 452 | 153 | 2.429 | 0.001677 | 1701.08147,1701.08063,etc |
| Maxwell field | 420 | 152 | 3.5 | 0.001098 | 1701.05257,1701.06837,etc |
| gravitational field equation | 306 | 151 | 3.4 | 0.001271 | 1701.04360,1701.07700,etc |
| asymptotic region | 302 | 151 | 2.667 | 0.001185 | 1701.08406,1701.01447,etc |
| tensor-to-scalar ratio | 620 | 150 | 3.333 | 0.001646 | 1701.03316,1701.05572,etc |
| spatial curvature | 359 | 150 | 2.5 | 0.001412 | 1701.00819,1701.08203,etc |
| large limit | 356 | 150 | 2.143 | 0.000645 | 1701.00341,1701.07212,etc |
| background solution | 301 | 150 | 5.0 | 0.000472 | 1702.06036,1702.05716,etc |
| differential operator | 316 | 148 | 2.5 | 0.000513 | 1701.04226,1701.01003,etc |
| classical solution | 279 | 148 | 2.077 | 0.000712 | 1701.00341,1701.08776,etc |
| Killing vector field | 460 | 146 | 2.8 | 0.001685 | 1701.04226,1701.03315,etc |
| correction term | 287 | 146 | 3.0 | 0.000704 | 1701.07737,1701.05875,etc |
| metric coefficient | 311 | 142 | 2.154 | 0.000846 | 1701.02491,1701.07462,etc |
| gravitational sector | 247 | 140 | 2.2 | 0.000501 | 1701.05332,1701.06892,etc |
|