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15
Math.TechQA.Club
2026-04-12 13:32:36
235
Views
Schoen & Yau's proof of the positive-mass theorem: Why is the surface S homeomorphic to $\mathbb{R}^2$?
Published on
12 Apr 2026 - 13:32
#differential-geometry
#algebraic-topology
#general-relativity
209
Views
In a 2D Riemannian manifold, how does exponential map change the distances?
Published on
15 Apr 2026 - 13:33
#differential-geometry
#manifolds
#riemannian-geometry
#smooth-manifolds
287
Views
Are linear transformations between infinite dimensional vector spaces always differentiable?
Published on
13 Apr 2026 - 16:50
#linear-algebra
#differential-geometry
#continuity
#linear-transformations
199
Views
Frenet Frame along a curve and Riemannian Curvature on $S^2$
Published on
15 Apr 2026 - 8:38
#differential-geometry
#riemannian-geometry
#smooth-manifolds
#curves
#frenet-frame
95
Views
geodesic curvature about boundary of geodesic disc
Published on
09 Apr 2026 - 19:22
#differential-geometry
#riemannian-geometry
583
Views
Defining a pseudo-gradient field for a $1$-form
Published on
12 Apr 2026 - 17:15
#differential-geometry
#morse-theory
130
Views
The adjoint representation defines an action on the Grassmannian
Published on
13 Apr 2026 - 4:03
#differential-geometry
#lie-groups
#lie-algebras
144
Views
Is the Hodge dual the unique map which commutes with exterior powers of isometries?
Published on
12 Apr 2026 - 14:26
#differential-geometry
#representation-theory
#inner-products
#exterior-algebra
#isometry
137
Views
Reduced bundles and global sections of associated bundle
Published on
12 Apr 2026 - 4:50
#differential-geometry
#smooth-manifolds
#principal-bundles
603
Views
Question on the proof of Stokes' Theorem in Spivak
Published on
13 Apr 2026 - 2:34
#proof-verification
#differential-geometry
#stokes-theorem
826
Views
Can a diffeomorphism not be an immersion or a submersion
Published on
07 Apr 2026 - 18:00
#differential-geometry
#smooth-manifolds
152
Views
Solving a PDE for determining a metric
Published on
20 Apr 2026 - 5:57
#differential-geometry
#partial-differential-equations
54
Views
Identify a point in the disc that is as far away from each point of S as possible Ask Question
Published on
14 Apr 2026 - 3:37
#geometry
#differential-geometry
#optimization
236
Views
An example of a two dimensional integrable distribution on $SO(3)$
Published on
12 Apr 2026 - 1:48
#differential-geometry
#smooth-manifolds
389
Views
Extension of Du-Bois-Raymond lemma to Vector Fields on a Riemannian Manifold
Published on
15 Apr 2026 - 1:13
#differential-geometry
#manifolds
#riemannian-geometry
#calculus-of-variations
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