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15
Math.TechQA.Club
2026-03-25 20:19:48
61
Views
Symmetry of a Perturbed Metric
Published on
25 Mar 2026 - 20:19
#differential-geometry
#general-relativity
#semi-riemannian-geometry
2.3k
Views
The metric coefficients in cylindrical coordinates are (a) $(1,1,1)$ (b) $(1,0,1)$ (c) $(1,r,1)$ (d) neither?
Published on
11 Jun 2020 - 6:01
#differential-geometry
#riemannian-geometry
#vector-analysis
#differential
#general-relativity
83
Views
Hypersurface in a Perturbation of Schwarzchild Spacetime
Published on
25 Mar 2026 - 20:20
#differential-geometry
#riemannian-geometry
#general-relativity
#semi-riemannian-geometry
1.5k
Views
What are Minkowski space and Lorentzian manifolds, formally speaking?
Published on
25 Mar 2026 - 20:19
#differential-geometry
#riemannian-geometry
#hyperbolic-geometry
#general-relativity
#semi-riemannian-geometry
163
Views
Is it possible to formulate general relativity via quaternions?
Published on
22 Jun 2020 - 10:12
#reference-request
#quaternions
#general-relativity
151
Views
How does topology work when taking charts on a Psuedo-Riemannian manifold?
Published on
23 Feb 2026 - 4:39
#differential-geometry
#riemannian-geometry
#general-relativity
#semi-riemannian-geometry
#special-relativity
202
Views
How do I extract a formula for distance from a metric that employs curvature?
Published on
23 Jun 2020 - 12:54
#ordinary-differential-equations
#differential-geometry
#alternative-proof
#general-relativity
301
Views
Hypersurface-orthogonal vector field and helicity
Published on
25 Mar 2026 - 20:17
#differential-geometry
#vector-fields
#general-relativity
#semi-riemannian-geometry
807
Views
Synchronous or Gaussian normal coordinates
Published on
25 Jun 2020 - 18:42
#differential-geometry
#coordinate-systems
#general-relativity
38
Views
Persistence of metric components and null geometry
Published on
25 Mar 2026 - 20:17
#differential-geometry
#smooth-manifolds
#coordinate-systems
#general-relativity
#semi-riemannian-geometry
301
Views
Confusion about notation over Einstein summation notation
Published on
30 Jun 2020 - 11:37
#differential-geometry
#riemannian-geometry
#general-relativity
33
Views
Averaging of unit vectors in spacetime with Minkowski signature
Published on
30 Jun 2020 - 12:47
#geometry
#vector-fields
#general-relativity
51
Views
How do you move between an observer's frame orbiting a Kerr B-H and the B-H's frame? In context of photon emission from accretion disk.
Published on
15 Jul 2020 - 16:16
#differential-geometry
#physics
#general-relativity
110
Views
Symmetric tensor satisfying the dominant energy condition has $T^{00} \geq |T^{\alpha\beta}|$.
Published on
17 Jul 2020 - 0:33
#linear-algebra
#tensors
#general-relativity
30
Views
Closed Curve Through an Event in Spacetime
Published on
24 Jul 2020 - 18:08
#differential-geometry
#differential-topology
#general-relativity
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