| extra dimension | 86 | 16 | 5.667 | 0.005547 | 0907.2476,0907.5371,etc |
| geodesic equation | 44 | 12 | 3.909 | 0.003887 | 0907.2760,0907.5470,etc |
| quantum field theory | 133 | 35 | 3.706 | 0.003735 | 0907.5542,0907.2186,etc |
| curved spacetime | 122 | 21 | 6.05 | 0.003163 | 0907.5197,0907.3311,etc |
| Dirac equation | 48 | 12 | 4.273 | 0.003022 | 0907.0591,0907.5510,etc |
| cosmological constant problem | 31 | 12 | 2.545 | 0.00246 | 0907.2839,0907.1636,etc |
| scalar product | 78 | 11 | 7.6 | 0.002228 | 0907.4388,0907.5510,etc |
| Klein-Gordon equation | 32 | 11 | 3.1 | 0.002186 | 0907.0913,0907.1034,etc |
| boundary term | 35 | 12 | 3.091 | 0.002107 | 0907.5023,0907.1034,etc |
| vacuum energy density | 34 | 13 | 2.583 | 0.002006 | 0907.2839,0907.3744,etc |
| black hole solution | 59 | 19 | 2.722 | 0.00193 | 0907.0410,0907.1640,etc |
| energy-momentum tensor | 158 | 43 | 3.738 | 0.001819 | 0907.0913,0907.5542,etc |
| metric function | 42 | 12 | 3.727 | 0.001731 | 0907.2760,0907.0913,etc |
| linear order | 51 | 21 | 2.3 | 0.001585 | 0907.2476,0907.5197,etc |
| conformal factor | 72 | 17 | 4.375 | 0.001577 | 0907.3163,0907.2760,etc |
| Einstein gravity | 72 | 23 | 3.227 | 0.001542 | 0907.4135,0907.3883,etc |
| Lie algebra | 59 | 13 | 4.75 | 0.001504 | 0907.5470,0907.5510,etc |
| matter field | 111 | 50 | 2.224 | 0.001366 | 0907.0591,0907.2186,etc |
| initial datum | 154 | 25 | 6.333 | 0.001345 | 0907.3163,0907.2760,etc |
| dynamical equation | 40 | 12 | 2.727 | 0.001213 | 0907.2839,0907.1701,etc |
| nonumber & | 80 | 18 | 4.647 | 0.00121 | 0907.3883,0907.5378,etc |
| field theory | 83 | 28 | 3.037 | 0.001192 | 0907.5201,0907.4388,etc |
| differential equation | 104 | 45 | 2.341 | 0.001188 | 0907.0913,0907.2839,etc |
| Poisson bracket | 33 | 12 | 2.636 | 0.001068 | 0907.5510,0907.4647,etc |
| Hamiltonian constraint | 95 | 20 | 4.947 | 0.001062 | 0907.3163,0907.2760,etc |
| quantum mechanic | 63 | 20 | 2.368 | 0.001058 | 0907.5201,0907.0739,etc |
| order term | 55 | 24 | 2.217 | 0.001054 | 0907.3163,0907.1936,etc |
| inflationary model | 24 | 11 | 2.1 | 0.000996 | 0907.5542,0907.0427,etc |
| two-point function | 47 | 11 | 4.6 | 0.000959 | 0907.5542,0907.2186,etc |
| inflaton field | 46 | 13 | 2.833 | 0.000947 | 0907.2476,0907.0427,etc |
| primordial power spectrum | 22 | 11 | 2.1 | 0.000942 | 0907.5542,0907.0427,etc |
| Bessel function | 28 | 12 | 2.364 | 0.000931 | 0907.2760,0907.0427,etc |
| analytic continuation | 26 | 12 | 2.273 | 0.00093 | 0907.5542,0907.1636,etc |
| matter density | 49 | 20 | 2.526 | 0.000915 | 0907.1951,0907.0434,etc |
| quantum theory | 104 | 37 | 2.75 | 0.000913 | 0907.0659,0907.5542,etc |
| evolution equation | 84 | 27 | 3.192 | 0.000904 | 0907.2760,0907.5197,etc |
| effective action | 74 | 14 | 5.615 | 0.000902 | 0907.2839,0907.5602,etc |
| stress-energy tensor | 87 | 22 | 4.0 | 0.00089 | 0907.2760,0907.0696,etc |
| cosmological perturbation | 30 | 13 | 2.417 | 0.000882 | 0907.5542,0907.5201,etc |
| exact solution | 106 | 40 | 2.692 | 0.000876 | 0907.2760,0907.5197,etc |
| spatial infinity | 66 | 12 | 5.818 | 0.000865 | 0907.4135,0907.3163,etc |
| kinetic term | 71 | 28 | 2.556 | 0.00086 | 0907.3883,0907.2186,etc |
| boundary condition | 188 | 56 | 3.382 | 0.000804 | 0907.4135,0907.3163,etc |
| symmetric solution | 46 | 22 | 2.048 | 0.000801 | 0907.3163,0907.0913,etc |
| gravity theory | 27 | 13 | 2.167 | 0.000796 | 0907.4026,0907.1640,etc |
| flat spacetime | 83 | 27 | 3.154 | 0.000762 | 0907.3163,0907.2760,etc |
| numerical relativity | 30 | 13 | 2.417 | 0.000743 | 0907.3163,0907.2760,etc |
| nonumber && | 37 | 16 | 2.4 | 0.000724 | 0907.5091,0907.1636,etc |
| Fourier mode | 30 | 12 | 2.455 | 0.000724 | 0907.0427,0907.0765,etc |
| physical state | 32 | 11 | 3.1 | 0.000721 | 0907.1816,0907.5122,etc |
| Planck scale | 100 | 27 | 3.808 | 0.000719 | 0907.5371,0907.4388,etc |
| analytic solution | 47 | 15 | 3.286 | 0.00071 | 0907.3163,0907.2760,etc |
| regular solution | 28 | 12 | 2.273 | 0.000696 | 0907.3163,0907.5197,etc |
| Einstein' equation | 58 | 26 | 2.28 | 0.000669 | 0907.5197,0907.0412,etc |
| Appendix B | 30 | 12 | 2.364 | 0.000661 | 0907.2760,0907.5197,etc |
| present value | 25 | 11 | 2.4 | 0.000636 | 0907.4026,0907.4153,etc |
| gravitational field equation | 29 | 13 | 2.25 | 0.000624 | 0907.1640,0907.4278,etc |
| diffeomorphism invariance | 58 | 12 | 5.182 | 0.000623 | 0907.4388,0907.2839,etc |
| scalar-tensor theory | 23 | 11 | 2.2 | 0.000609 | 0907.2186,0907.4016,etc |
| asymptotic region | 57 | 14 | 4.154 | 0.000597 | 0907.0696,0907.5197,etc |
| spatial component | 40 | 17 | 2.438 | 0.000568 | 0907.2760,0907.0591,etc |
| constraint equation | 43 | 20 | 2.158 | 0.000567 | 0907.4135,0907.3163,etc |
| vacuum solution | 35 | 17 | 2.062 | 0.000567 | 0907.3811,0907.5008,etc |
| quantum correction | 32 | 16 | 2.067 | 0.000544 | 0907.5201,0907.5510,etc |
| inner product | 40 | 13 | 3.25 | 0.00052 | 0907.5510,0907.2839,etc |
| right-hand side | 77 | 31 | 2.433 | 0.000509 | 0907.3163,0907.0656,etc |
| scalar function | 30 | 11 | 2.9 | 0.000475 | 0907.2760,0907.1951,etc |
| electric field | 53 | 20 | 2.684 | 0.000475 | 0907.4388,0907.0410,etc |
| background spacetime | 30 | 14 | 2.231 | 0.000393 | 0907.2760,0907.5197,etc |
| spatial derivative | 22 | 11 | 2.1 | 0.00034 | 0907.5201,0907.0412,etc |
| asymptotic expansion | 26 | 12 | 2.273 | 0.000255 | 0907.5197,0907.0412,etc |
| left-hand side | 22 | 11 | 2.1 | 0.000186 | 0907.5197,0907.2839,etc |