List questions from differential-topology

Published on 09 Apr 2026 - 3:48

68

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Doubt in Lee Smooth Manifolds Proposition 6.5

Published on 13 Apr 2026 - 13:07

69

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Finding a point on $SO(3)$ that is equivalent (up to diffeomorphism) to a point on $\mathbb{RP}^3$

Published on 01 Apr 2026 - 15:25

136

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Hausdorff property of Grassmannian

Published on 13 Apr 2026 - 2:44

48

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Smooth map on manifolds from a given closed subset to a given point

Published on 13 Apr 2026 - 3:49

38

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Is the component function of a smooth vector field unique?

Published on 11 Apr 2026 - 0:26

34

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For a smooth manifold $M$, what is the relation between $\mathfrak X(M)$ and $C^{\infty}(M) $

Published on 08 Mar 2024 - 19:41

66

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Orientablity of Manifold with only two charts in an atlas

Published on 13 Apr 2026 - 9:25

39

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Boundary orientation of a cylinder

Published on 10 Apr 2026 - 19:17

45

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$Xf=0$ on $\{f=0\}$ implies $f$ divides $Xf$?

Published on 12 Apr 2026 - 15:17

26

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Sard's Theorem proof in Introduction to Smooth Manifolds -- Why are $C$ and $C_{k}$'s closed in $U$?

Published on 10 Apr 2026 - 16:20

33

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Whitney Embedding Theorem (Proposition 6.15 Lee Smooth Manifolds)

Published on 10 Mar 2024 - 12:13

58

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Show that Mat$_{n\times k}^k\to G_k(\mathbb{R}^n)$ is a fibration

Published on 13 Apr 2026 - 17:50

51

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Question about pseudo-euclidean spaces and manifolds

Published on 12 Apr 2026 - 13:22

67

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Differential Topology and Winding number

Published on 10 Apr 2026 - 18:12

List Question

Can an isotopy between diffeomorphisms be through diffeomorphisms?

Doubt in Lee Smooth Manifolds Proposition 6.5

Finding a point on $SO(3)$ that is equivalent (up to diffeomorphism) to a point on $\mathbb{RP}^3$

Hausdorff property of Grassmannian

Smooth map on manifolds from a given closed subset to a given point

Is the component function of a smooth vector field unique?

For a smooth manifold $M$, what is the relation between $\mathfrak X(M)$ and $C^{\infty}(M) $

Orientablity of Manifold with only two charts in an atlas

Boundary orientation of a cylinder

$Xf=0$ on $\{f=0\}$ implies $f$ divides $Xf$?

Sard's Theorem proof in Introduction to Smooth Manifolds -- Why are $C$ and $C_{k}$'s closed in $U$?

Whitney Embedding Theorem (Proposition 6.15 Lee Smooth Manifolds)

Show that Mat$_{n\times k}^k\to G_k(\mathbb{R}^n)$ is a fibration

Question about pseudo-euclidean spaces and manifolds

Differential Topology and Winding number

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