List questions from diffeomorphism

Published on 25 Mar 2026 - 14:46

65

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How to show that the Flux hommorphism is surjective?

Published on 12 Aug 2021 - 2:38

86

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On existence of a smooth function on an interval $\left( a, b \right)$ with certain conditions

Published on 14 Aug 2021 - 5:13

51

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Special function needed.

Published on 26 Mar 2026 - 14:06

262

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Extending a diffeomorphism onto a larger set

Published on 25 Aug 2021 - 8:29

42

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Find diffeomorphism maps a subset of the domain to a convex set

Published on 25 Aug 2021 - 9:29

189

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Is a diffeomorphism always maps the set of (Jordan) measure zero to the set of (Jordan) measure zero?

Published on 08 Sep 2021 - 6:25

145

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Is $x^{2a}+y^{2b}=1$ diffeomorphic to the circle ($x^2+y^2=1$)?

Published on 10 Sep 2021 - 2:24

79

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Smooth structures, the (non)existence of local diffeomorphisms between $S^2$ and $\mathbb{R}^2$.

Published on 11 Sep 2021 - 13:53

198

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Solving a PDE by "Conjugating by diffeomorphism?" Why should this even work?

Published on 25 Mar 2026 - 16:13

207

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Are cylinder and cone diffeomorphic?

Published on 11 Oct 2021 - 7:56

68

Views

Rectifiable set under diffeomorphism

Published on 18 Oct 2021 - 21:54

139

Views

Regarding the Definition of an Orientable Foliation on a Manifold in terms of Transition Maps

Published on 25 Mar 2026 - 16:13

38

Views

Prove a point $x\in \Bbb{R^n}$ is a zero-dimensional manifold

Published on 24 Oct 2021 - 13:39

354

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Diffeomorphisms of sphere and homotopies and Smale's conjecture in $n\geq 4$ dimensions

Published on 26 Oct 2021 - 17:50

List Question

The smooth action of $\mathbb{Z}$ on $\mathbb{R} \times F$ where $F$ is a manifold

How to show that the Flux hommorphism is surjective?

On existence of a smooth function on an interval $\left( a, b \right)$ with certain conditions

Special function needed.

Extending a diffeomorphism onto a larger set

Find diffeomorphism maps a subset of the domain to a convex set

Is a diffeomorphism always maps the set of (Jordan) measure zero to the set of (Jordan) measure zero?

Is $x^{2a}+y^{2b}=1$ diffeomorphic to the circle ($x^2+y^2=1$)?

Smooth structures, the (non)existence of local diffeomorphisms between $S^2$ and $\mathbb{R}^2$.

Solving a PDE by "Conjugating by diffeomorphism?" Why should this even work?

Are cylinder and cone diffeomorphic?

Rectifiable set under diffeomorphism

Regarding the Definition of an Orientable Foliation on a Manifold in terms of Transition Maps

Prove a point $x\in \Bbb{R^n}$ is a zero-dimensional manifold

Diffeomorphisms of sphere and homotopies and Smale's conjecture in $n\geq 4$ dimensions

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