Timeline for Einstein warped-product manifold with flat fiber
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 11, 2018 at 13:13 | comment | added | Tobias Fritz | In the pseudo-Riemannian case, the FLRW metric for $k=0$ (spatially flat cosmology) is a nice example of the same flavour. | |
| Jan 11, 2018 at 13:00 | comment | added | MathDG | I'm not necessarily interested in an example, I'm interested in knowing if $(M, g)$ must be necessarily Ricci flat or not. | |
| Jan 11, 2018 at 12:54 | comment | added | MathDG | thank you very much for your precious answer. And if $(N, \ddot{g})$ is a surface and $(B, \bar{g})$ is a fiber-surface Ricci-flat, $(M, g)$ must be Ricci flat or not necessarily? | |
| Jan 11, 2018 at 12:44 | history | answered | Thomas Richard | CC BY-SA 3.0 |