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15
Math.TechQA.Club
2026-03-19 01:35:51
112
Views
Partial Differential Equation using theory of manifolds
Published on
19 Mar 2026 - 1:35
#ordinary-differential-equations
#manifolds
#smooth-manifolds
#vector-fields
1k
Views
Showing that a diffeomorphism preserves the boundary
Published on
21 Mar 2026 - 10:04
#manifolds
#smooth-manifolds
#manifolds-with-boundary
#diffeomorphism
408
Views
How many points define a sphere of unknown radius?
Published on
21 Mar 2026 - 16:07
#manifolds
#smooth-manifolds
#spheres
#dimension-theory-analysis
284
Views
Reference for Grassmannian Manifold
Published on
22 Mar 2026 - 22:32
#algebraic-geometry
#manifolds
#grassmannian
326
Views
Giving a counterexample for the extension lemma of smooth functions
Published on
20 Mar 2026 - 13:32
#manifolds
#examples-counterexamples
#smooth-manifolds
#manifolds-with-boundary
79
Views
Does $S^2\times[-1,1]$ decompose as $B^3\#B^3$
Published on
20 Mar 2026 - 11:22
#manifolds
#low-dimensional-topology
66
Views
A question about the proof of Extension Lemma for Smooth functions
Published on
23 Mar 2026 - 19:16
#manifolds
#smooth-manifolds
#manifolds-with-boundary
360
Views
A question about the proof of Level sets of Smooth Functions
Published on
17 Mar 2026 - 18:12
#manifolds
#smooth-manifolds
999
Views
Determine the Tangent Space of a Submanifold
Published on
17 Mar 2026 - 8:55
#manifolds
#smooth-manifolds
42
Views
Showing a continuous function is smooth
Published on
17 Mar 2026 - 3:20
#general-topology
#manifolds
#smooth-manifolds
451
Views
How can I prove $(0,2]$ is a smooth manifold? And something questions about the choice of the open set of a manifold?
Published on
24 Mar 2026 - 22:16
#differential-geometry
#manifolds
#differential-topology
65
Views
Is $(t,|t|)$ a smooth submanifold of $\mathbb{R^2}$?
Published on
17 Mar 2026 - 15:07
#manifolds
#smooth-manifolds
148
Views
Possible condition on locally Euclidean subset of Euclidean space to be embedded submanifold II
Published on
21 Mar 2026 - 22:58
#calculus
#differential-geometry
#manifolds
#smooth-manifolds
78
Views
When two hypersurfaces can be connected to form an $n$-dimensional submanifold?
Published on
24 Mar 2026 - 15:06
#differential-geometry
#manifolds
#smooth-manifolds
258
Views
How to find 1-form for Stokes' Theorem?
Published on
21 Mar 2026 - 9:18
#manifolds
#vector-analysis
#differential-forms
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