| boundary condition | 3099 | 820 | 2.577 | 0.001407 | 1901.00021,1901.00218,etc |
| differential equation | 1494 | 676 | 2.17 | 0.000754 | 1901.00021,1901.00218,etc |
| energy-momentum tensor | 1850 | 643 | 2.489 | 0.001429 | 1901.00025,1901.00231,etc |
| matter field | 1461 | 586 | 2.422 | 0.001034 | 1901.00194,1901.00805,etc |
| quantum field theory | 1014 | 512 | 2.387 | 0.00101 | 1901.01167,1901.01596,etc |
| flat spacetime | 1166 | 462 | 2.231 | 0.000984 | 1901.00021,1901.01167,etc |
| gravity theory | 1094 | 446 | 2.692 | 0.001173 | 1901.00977,1901.01265,etc |
| spherical symmetry | 897 | 424 | 2.037 | 0.0008 | 1901.01202,1901.01265,etc |
| general solution | 757 | 409 | 2.061 | 0.000574 | 1901.00977,1901.01873,etc |
| Einstein' equation | 836 | 391 | 3.304 | 0.00084 | 1901.00231,1901.01031,etc |
| kinetic term | 1017 | 379 | 3.219 | 0.000824 | 1901.01031,1901.01873,etc |
| Einstein-Hilbert action | 618 | 369 | 2.333 | 0.000577 | 1901.00194,1901.00937,etc |
| arbitrary function | 634 | 358 | 2.037 | 0.000545 | 1901.00805,1901.01167,etc |
| quantum theory | 941 | 356 | 2.52 | 0.00108 | 1901.00805,1901.01279,etc |
| metric function | 1020 | 355 | 3.654 | 0.001171 | 1901.00231,1901.00937,etc |
| quantum mechanic | 896 | 346 | 4.25 | 0.001038 | 1901.01873,1901.03755,etc |
| black hole solution | 957 | 340 | 3.741 | 0.002264 | 1901.00231,1901.00977,etc |
| stress-energy tensor | 848 | 340 | 2.652 | 0.00096 | 1901.00937,1901.00938,etc |
| Planck scale | 907 | 334 | 2.462 | 0.001142 | 1901.01596,1901.01731,etc |
| initial datum | 1491 | 334 | 2.421 | 0.001616 | 1901.00021,1901.00194,etc |
| particle physics | 547 | 328 | 3.174 | 0.000452 | 1901.01253,1901.03387,etc |
| imaginary part | 911 | 308 | 3.095 | 0.001113 | 1901.03413,1901.03779,etc |
| energy scale | 662 | 308 | 2.1 | 0.000697 | 1901.01596,1901.01731,etc |
| asymptotic behavior | 566 | 305 | 2.185 | 0.00054 | 1901.01265,1901.02202,etc |
| scalar-tensor theory | 842 | 287 | 6.167 | 0.000909 | 1901.00194,1901.00937,etc |
| effective field theory | 548 | 283 | 2.333 | 0.001116 | 1901.01265,1901.01731,etc |
| Einstein gravity | 796 | 273 | 2.15 | 0.001187 | 1901.01363,1901.03972,etc |
| real part | 593 | 259 | 2.375 | 0.000881 | 1901.04586,1901.05370,etc |
| boundary term | 913 | 257 | 2.5 | 0.001317 | 1901.00194,1901.04973,etc |
| first law | 1013 | 253 | 3.857 | 0.001487 | 1901.00937,1901.01087,etc |
| geodesic equation | 609 | 249 | 4.571 | 0.000916 | 1901.00021,1901.01202,etc |
| Klein-Gordon equation | 587 | 249 | 2.81 | 0.001025 | 1901.01176,1901.01265,etc |
| binary black hole | 423 | 249 | 2.438 | 0.001333 | 1901.00869,1901.02227,etc |
| symmetric spacetime | 484 | 248 | 4.167 | 0.00068 | 1901.01265,1901.01363,etc |
| integration constant | 441 | 241 | 2.571 | 0.000519 | 1901.00937,1901.02965,etc |
| physical quantity | 352 | 240 | 2.273 | 0.000337 | 1901.00937,1901.01087,etc |
| item The | 446 | 238 | 2.385 | 0.000507 | 1901.02592,1901.03779,etc |
| cosmological scale | 438 | 237 | 2.125 | 0.00042 | 1901.01873,1901.02784,etc |
| mass term | 472 | 226 | 3.286 | 0.000521 | 1901.01891,1901.02461,etc |
| state parameter | 596 | 225 | 2.375 | 0.001474 | 1901.02155,1901.03972,etc |
| present time | 445 | 223 | 2.438 | 0.000698 | 1901.00167,1901.03354,etc |
| effective action | 835 | 220 | 6.556 | 0.001002 | 1901.00218,1901.01731,etc |
| spacetime dimension | 479 | 219 | 2.286 | 0.001102 | 1901.02953,1901.04128,etc |
| inner product | 492 | 219 | 2.364 | 0.000494 | 1901.01891,1901.02553,etc |
| hole solution | 457 | 217 | 3.05 | 0.000937 | 1901.00231,1901.00977,etc |
| constraint equation | 501 | 215 | 2.091 | 0.000668 | 1901.04624,1901.04674,etc |
| Einstein frame | 1049 | 213 | 5.474 | 0.002167 | 1901.00194,1901.00937,etc |
| mass parameter | 442 | 210 | 2.5 | 0.000836 | 1901.01265,1901.04180,etc |
| Schwarzschild solution | 469 | 210 | 2.455 | 0.000768 | 1901.02965,1901.04460,etc |
| inflationary model | 430 | 206 | 2.75 | 0.0007 | 1901.00167,1901.02892,etc |
| black hole thermodynamic | 454 | 204 | 2.692 | 0.001389 | 1901.00977,1901.01506,etc |
| such solution | 313 | 201 | 2.111 | 0.000364 | 1901.01279,1901.01873,etc |
| gravity model | 501 | 199 | 3.5 | 0.000856 | 1901.04302,1901.04308,etc |
| inflaton field | 599 | 196 | 3.333 | 0.001281 | 1901.00167,1901.01897,etc |
| tensor-to-scalar ratio | 678 | 194 | 3.444 | 0.001526 | 1901.02892,1901.06097,etc |
| power law | 400 | 192 | 3.083 | 0.00085 | 1901.00937,1901.01820,etc |
| Einstein' theory | 298 | 192 | 2.062 | 0.000469 | 1901.02326,1901.02965,etc |
| nonumber && | 766 | 191 | 2.176 | 0.001765 | 1901.00231,1901.01891,etc |
| effective mass | 482 | 190 | 4.417 | 0.001086 | 1901.00218,1901.02461,etc |
| Hamiltonian constraint | 695 | 183 | 4.6 | 0.001032 | 1901.01279,1901.03387,etc |
| Kerr spacetime | 587 | 179 | 2.667 | 0.000998 | 1901.01202,1901.02785,etc |
| explicit example | 242 | 178 | 2.222 | 0.0003 | 1901.01176,1901.06659,etc |
| light ray | 768 | 175 | 3.1 | 0.001831 | 1901.01167,1901.02785,etc |
| tangent vector | 384 | 172 | 2.429 | 0.000471 | 1901.00021,1901.03533,etc |
| dynamical system | 786 | 171 | 6.786 | 0.002202 | 1901.00167,1901.00388,etc |
| gravitational wave signal | 297 | 168 | 2.667 | 0.000785 | 1901.00869,1901.02227,etc |
| asymptotic region | 401 | 167 | 2.846 | 0.001005 | 1901.00977,1901.02965,etc |
| Sitter space | 753 | 166 | 7.923 | 0.00219 | 1901.02767,1901.04180,etc |
| electromagnetic counterpart | 355 | 166 | 2.133 | 0.000787 | 1901.00025,1901.02202,etc |
| parameter estimation | 316 | 166 | 2.333 | 0.000515 | 1901.02227,1901.02553,etc |
| asymptotic expansion | 316 | 166 | 2.8 | 0.000654 | 1901.02461,1901.04010,etc |
| quasinormal mode | 644 | 165 | 3.833 | 0.002495 | 1901.01265,1901.02592,etc |
| extra dimension | 780 | 165 | 3.125 | 0.002416 | 1901.04607,1901.07271,etc |
| Einstein' field equation | 260 | 165 | 2.545 | 0.000781 | 1901.02965,1901.03755,etc |
| null energy condition | 425 | 165 | 2.846 | 0.001454 | 1901.00231,1901.07183,etc |
| slow-roll parameter | 590 | 165 | 3.091 | 0.001352 | 1901.02892,1901.04607,etc |
| cosmological horizon | 668 | 158 | 4.091 | 0.001838 | 1901.05171,1901.06659,etc |
| posterior distribution | 486 | 158 | 4.0 | 0.001017 | 1901.00938,1901.01961,etc |
| asymptotic value | 250 | 155 | 2.067 | 0.000498 | 1901.00937,1901.02461,etc |
| spatial curvature | 413 | 152 | 2.571 | 0.001208 | 1901.00937,1901.00938,etc |
| maximum mass | 715 | 151 | 3.929 | 0.001687 | 1901.00937,1901.02965,etc |
| Newtonian gravity | 348 | 151 | 3.0 | 0.000791 | 1901.01087,1901.01363,etc |
| Advanced LIGO | 324 | 149 | 2.333 | 0.000963 | 1901.03390,1901.08580,etc |
| large limit | 376 | 148 | 2.6 | 0.000788 | 1901.07074,1901.11187,etc |
| curvature tensor | 309 | 147 | 3.727 | 0.000713 | 1901.00021,1901.01363,etc |
| Levi-Civita connection | 324 | 147 | 2.111 | 0.000676 | 1901.00021,1901.00805,etc |
| extremal black hole | 521 | 146 | 5.154 | 0.002371 | 1901.00218,1901.02784,etc |
| effective equation | 311 | 146 | 2.25 | 0.000746 | 1901.00167,1901.03972,etc |
| AdS spacetime | 321 | 143 | 3.111 | 0.000606 | 1901.02784,1901.04128,etc |
| massive scalar field | 393 | 142 | 2.75 | 0.001992 | 1901.01891,1901.02461,etc |
| present value | 257 | 141 | 2.333 | 0.000856 | 1901.00167,1901.03354,etc |
| Sitter spacetime | 384 | 140 | 2.545 | 0.000904 | 1901.02730,1901.05171,etc |
| dark sector | 406 | 138 | 3.0 | 0.001508 | 1901.03354,1901.03998,etc |
| Einstein Telescope | 254 | 138 | 2.375 | 0.000697 | 1901.01820,1901.03779,etc |
| static solution | 299 | 136 | 2.933 | 0.000843 | 1901.02461,1901.02965,etc |
| classical solution | 290 | 136 | 2.333 | 0.000794 | 1901.01279,1901.02953,etc |
| gravitational waveform | 306 | 136 | 2.222 | 0.000688 | 1901.00025,1901.01265,etc |
| gravitational perturbation | 334 | 135 | 2.167 | 0.001001 | 1901.01265,1901.03413,etc |
| causal structure | 328 | 135 | 2.455 | 0.000554 | 1901.00869,1901.01176,etc |
| previous paper | 283 | 135 | 2.333 | 0.000657 | 1902.08273,1902.03242,etc |
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