List questions from semi-riemannian-geometry | MathQA

For space-like linear independent vectors $x,y$, $V:=\text{span}\{x,y\}$ is space-like iff the Lorentz-orthogonals of $x$ and $y$ intersect

Published on 16 Jun 2022 - 15:38

Showing a symmetric bilinear form is nondegenerate

Published on 30 Jun 2022 - 18:20

Plotting tessarines in (pseudo-Euclidean) $R^{2,2}$ or $C^{1,1}$; conventions around which axes correspond to which signs in the metric signature

Published on 25 Mar 2026 - 23:42

bound on the distance of an isometry to the identity

Published on 25 Jul 2022 - 9:07

Geodesic distance from inner product in an embedding space

Published on 28 Sep 2022 - 2:42

Is $w$ Killing for some semi-Riemannian metric?

Published on 07 Oct 2022 - 19:21

A computation for null vector fields in general relativity

Published on 21 Nov 2022 - 18:27

Reducing vacuum Einstein field equations to wave equations using wave coordinates

Published on 08 Dec 2022 - 5:31

What does it mean for covariant derivative of metric tensor is zero in general relativity?

Published on 11 Dec 2022 - 20:55

Are $\mathrm{Pin}(3, 1)$ and $\mathrm{GL}(2, \mathbb{C})$ isomorphic?

Published on 17 Dec 2022 - 0:23

What is the relationship between a submanifolds' normal vectors and its induced signature?

Published on 30 Dec 2022 - 14:29