Timeline for Question on globally hyperbolic manifolds and coordinates
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| Nov 28 at 19:02 | comment | added | B.Hueber | @IgorKhavkine Thank you very much! That answers my question. | |
| Nov 28 at 16:29 | comment | added | Igor Khavkine | Your condition on $\overline{g}$ (requiring $i_{t}^{\ast}\overline{g}$ to be a Riemannian metric) is weaker than the condition imposed on $h_t$ in the result of Bernal & Sanchez. Their condition is $h_t(\partial_t, \cdot) = 0$, where $\partial_t$ is the vector field pointing along the $\mathbb{R}$-fibers of the product $\mathbb{R} \times \Sigma$. It is this stronger condition that implies the absence of cross-terms in coordinates adapted to the product. | |
| Oct 30 at 16:57 | history | edited | B.Hueber | CC BY-SA 4.0 |
added 65 characters in body
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| Oct 30 at 16:49 | history | asked | B.Hueber | CC BY-SA 4.0 |