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15
Math.TechQA.Club
2026-04-12 00:04:55
69
Views
A strange notation in Geroch's proof of the positive-energy theorem
Published on
12 Apr 2026 - 0:04
#differential-geometry
#riemannian-geometry
#general-relativity
65
Views
How to show equivalence of definitions ot the Rieman tensor
Published on
08 Apr 2026 - 18:32
#differential-geometry
#riemannian-geometry
#tensors
#general-relativity
138
Views
How to show that conformal spaces share the same null geodesics?
Published on
11 Apr 2026 - 9:12
#differential-geometry
#riemannian-geometry
#geodesic
#general-relativity
35
Views
Prove $g_{\mu \nu}= g_{\mu \nu}|_p + \frac{1}{3}R_{\lambda \mu \nu \rho}|_p x^\lambda x^\rho +O(x^3)$ from the geodesic eq in normal Riemann coord.
Published on
26 Mar 2026 - 19:02
#differential-geometry
#riemannian-geometry
#general-relativity
118
Views
Construct a divergence free symmetric $(2,0)$ tensor on curved manifold withsout Riemann tensor.
Published on
17 Oct 2023 - 11:04
#differential-geometry
#riemannian-geometry
#tensors
52
Views
proof the bi-invariant metrics of lie group G
Published on
12 Apr 2026 - 18:47
#differential-geometry
#riemannian-geometry
#lie-groups
235
Views
Proof of tensor characterisation lemma in Riemannian Geometry by Lee
Published on
11 Apr 2026 - 6:03
#differential-geometry
#riemannian-geometry
#tensors
136
Views
Precise statement of Poincaré duality
Published on
27 Mar 2026 - 16:03
#differential-geometry
#algebraic-topology
#reference-request
#riemannian-geometry
#duality-theorems
52
Views
Minimal length in the free homotopy class as translation length
Published on
12 Apr 2026 - 16:23
#metric-spaces
#riemannian-geometry
#fundamental-groups
#covering-spaces
#geodesic
113
Views
The integral of the Lie derivative over a divergence free vector field is zero
Published on
11 Apr 2026 - 13:03
#integration
#differential-geometry
#riemannian-geometry
#lie-derivative
#divergence-theorem
60
Views
Is it necessary to locally have an embedding if one wants to find a unit normal vector via an immersion?
Published on
20 Oct 2023 - 6:08
#differential-geometry
#riemannian-geometry
249
Views
Can the covariant derivative be integrated by parts?
Published on
26 Mar 2026 - 17:32
#integration
#differential-geometry
#riemannian-geometry
#connections
#lie-derivative
55
Views
Connection forms associatedwith the Levi-Civita connection
Published on
10 Apr 2026 - 23:38
#differential-geometry
#riemannian-geometry
#connections
140
Views
Divergence of an extrinsically defined vector field
Published on
22 Oct 2023 - 12:40
#differential-geometry
#riemannian-geometry
233
Views
Time derivative of time-dependent vector fields on a manifold
Published on
02 Apr 2026 - 23:38
#derivatives
#differential-geometry
#riemannian-geometry
#smooth-manifolds
#vector-fields
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