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15
Math.TechQA.Club
2026-03-26 06:13:36
480
Views
Question about Unit tangent bundle of embedded submanifold $M$ in $T\mathbb{R}^{m}$
Published on
26 Mar 2026 - 6:13
#smooth-manifolds
#tangent-bundle
#submanifold
2.3k
Views
What is the mean curvature of an infinitely long cylinder?
Published on
17 Aug 2020 - 23:43
#differential-geometry
#curvature
#submanifold
131
Views
Fixing orientation of connected smooth manifold in $\mathbb{R}^n$ by a single chart
Published on
27 Mar 2026 - 14:54
#smooth-manifolds
#orientation
#submanifold
246
Views
The structure of the embedded submanifold.
Published on
18 Aug 2020 - 21:46
#manifolds
#examples-counterexamples
#submanifold
146
Views
Is a surface curve made of planar points necessarily a line?
Published on
20 Aug 2020 - 13:05
#differential-geometry
#riemannian-geometry
#surfaces
#curves
#submanifold
51
Views
A cylinder is not stable for area under a volume constraint
Published on
21 Aug 2020 - 11:47
#differential-geometry
#surfaces
#calculus-of-variations
#submanifold
288
Views
Why cone of revolution is not a submanifold?
Published on
25 Aug 2020 - 12:53
#differential-geometry
#manifolds
#submanifold
199
Views
The asymptotic set of the second fundamental form of a hypersurface
Published on
26 Aug 2020 - 12:36
#linear-algebra
#differential-geometry
#vector-spaces
#riemannian-geometry
#submanifold
50
Views
Boundary and interior of perturbed manifold
Published on
27 Mar 2026 - 19:15
#differential-geometry
#differential-topology
#smooth-manifolds
#manifolds-with-boundary
#submanifold
89
Views
Pushforward of a chart
Published on
25 Mar 2026 - 17:31
#differential-geometry
#smooth-manifolds
#manifolds-with-boundary
#submanifold
#pushforward
31
Views
If $ϕ$ is a boundary chart of a $k$-dimensional submanifold $M$ with boundary, then $(T_xϕ)v\in\mathbb R^{k-1}×\{0\}$ for all $v\in T_x\:\partial M$
Published on
25 Mar 2026 - 17:41
#differential-geometry
#manifolds-with-boundary
#tangent-spaces
#submanifold
#pushforward
165
Views
A tangent vector of a manifold $M$ with boundary is either inward/outward pointing or tangential to $\partial M$
Published on
25 Mar 2026 - 22:05
#differential-geometry
#manifolds-with-boundary
#tangent-spaces
#submanifold
#pushforward
54
Views
Prove that $S$ is submanifold of $\mathbb{R}^4$
Published on
03 Sep 2020 - 10:35
#differential-geometry
#smooth-manifolds
#submanifold
223
Views
Does the identity map have injective differential?
Published on
03 Sep 2020 - 16:25
#differential-geometry
#submanifold
46
Views
Which space is $L^1(\partial\Omega)$?
Published on
25 Mar 2026 - 12:46
#lp-spaces
#sobolev-spaces
#manifolds-with-boundary
#submanifold
#trace-map
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