Random triples
| Subject | Object |
|---|---|
| gptkb:Poincaré_metric | ds^2 = |dz|^2/(Im(z))^2 on upper half-plane |
| gptkb:Poincaré_metric | ds^2 = 4|dz|^2/(1-|z|^2)^2 on unit disk |
| gptkb:Schwarzschild_metric_(when_charge_is_zero) | ds^2 = -(1-2GM/rc^2)c^2dt^2 + (1-2GM/rc^2)^{-1}dr^2 + r^2(dθ^2 + sin^2θ dφ^2) |