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15
Math.TechQA.Club
2026-03-26 01:12:39
122
Views
How to prove that $\frac{d}{dt}|_{t=t_0}(\theta_t^*A)_p=(\theta_{t_0}^*(\mathscr{L}_VA))_p$, 12.36 in Lee's Introduction to Smooth Manifolds
Published on
26 Mar 2026 - 1:12
#derivatives
#differential-geometry
#differential-topology
#smooth-manifolds
#lie-derivative
628
Views
smooth vector field on a manifold and smooth vector field on a open subset of a manifold
Published on
28 Mar 2026 - 14:44
#differential-geometry
#differential-topology
#vector-fields
799
Views
About degree of a smooth map between Manifolds
Published on
28 Mar 2026 - 5:59
#differential-geometry
#differential-topology
#geometric-topology
206
Views
Symmetry of Fubini Theorem versus Skew Symmetry of 2-forms
Published on
16 Oct 2019 - 18:42
#integration
#differential-topology
349
Views
Self Intersection mod 2 of Central curve on Möbius band
Published on
26 Mar 2026 - 15:17
#differential-geometry
#differential-topology
#intersection-theory
789
Views
What's an example where the inclusion map $\iota: A \to B$ is smooth and a topological embedding but not an immersion?
Published on
17 Oct 2019 - 7:43
#general-topology
#differential-geometry
#manifolds
#differential-topology
#smooth-manifolds
68
Views
Show that $((0,1)\times(0,1))\cup(\{1\}\times[0,1])$ is not a smooth manifold with boundary$
Published on
26 Mar 2026 - 1:16
#differential-geometry
#differential-topology
#smooth-manifolds
#surfaces
#manifolds-with-boundary
58
Views
Isomorphism between homology groups if we throw away some submanifold from the interior
Published on
17 Oct 2019 - 22:43
#algebraic-topology
#differential-topology
55
Views
The invertability of a differential and it's matrix representation
Published on
18 Oct 2019 - 17:53
#real-analysis
#analysis
#differential-geometry
#differential-topology
81
Views
Isomorphisms of vector bundles preserve orientability
Published on
28 Mar 2026 - 10:40
#differential-geometry
#differential-topology
#vector-bundles
488
Views
Vector bundle orientable if and only if determinant bundle is (Bott and Tu Prop. 11.4)
Published on
28 Mar 2026 - 10:40
#differential-geometry
#differential-topology
#vector-bundles
80
Views
Is the set where there is a unique distance minimizer to a submanifold open?
Published on
02 Apr 2026 - 13:06
#differential-geometry
#metric-spaces
#differential-topology
#riemannian-geometry
#submanifold
142
Views
hypersurface, manifold
Published on
20 Oct 2019 - 12:39
#general-topology
#differential-geometry
#manifolds
#differential-topology
391
Views
Integration over parametrizations in the border of a manifold with corners (John M. Lee Introduction to Smooth Manifolds exercise 16.22)
Published on
20 Oct 2019 - 15:24
#integration
#differential-geometry
#differential-topology
#smooth-manifolds
518
Views
Understanding Morse homology with the example of a circle
Published on
25 Mar 2026 - 16:00
#algebraic-topology
#differential-topology
#homology-cohomology
#morse-theory
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