Question

Give an example of a diffeomorphism between $\{ (x, y) \in \mathbb R^2: 1 < x^2 +y^2 < 2, x < y < 2x \}$ and a square

score 235 · Answer 1 · 2023-05-03 19:14:51

235

Views

Give an example of a diffeomorphism between $\{ (x, y) \in \mathbb R^2: 1 < x^2 +y^2 < 2, x < y < 2x \}$ and a square

Published on 03 May 2023 - 19:14

score 117 · Answer 2 · 2023-05-05 17:51:52

117

Views

Question about the existence of a diffeomorphism between nonsmooth domains in $\mathbb{R}^2$

Published on 05 May 2023 - 17:51

score 66 · Answer 3 · 2023-05-06 12:54:44

66

Views

Can a diffeomorphism of the circle with irrational rotation number have vanishing derivative?

Published on 06 May 2023 - 12:54

score 124 · Answer 4 · 2023-05-07 21:23:19

124

Views

Proving a certain map on $S^n$ is a diffeomorphism

Published on 07 May 2023 - 21:23

score 36 · Answer 5 · 2026-02-23 06:36:21

36

Views

Open neighborhoods for diffeomorphism.

Published on 23 Feb 2026 - 6:36

score 29 · Answer 6 · 2023-05-21 12:55:52

29

Views

Prove that $\varphi\circ X_1$ is also a parametrization if $\varphi$ is a diffeomorphism and $X_1$ is a parametrization

Published on 21 May 2023 - 12:55

score 128 · Answer 7 · 2023-05-24 15:56:13

128

Views

Diffeomorphism from $\{(x, y) \in \mathbb R^2 : 0 < x^2 + y^2 < 1\}$ to $\{(x, y) \in \mathbb R^2 : x^2 + y^2 > 1\}$

Published on 24 May 2023 - 15:56

score 38 · Answer 8 · 2023-06-07 14:33:00

38

Views

Are diffeomorphisms induced by non-autonomous flows the same as autonomous flows on a compact subset?

Published on 07 Jun 2023 - 14:33

score 33 · Answer 9 · 2026-03-25 04:55:36

33

Views

A complete closed uni-leaf foliation on $\Bbb B^2$

Published on 25 Mar 2026 - 4:55

score 62 · Answer 10 · 2023-06-13 02:22:22

62

Views

Diffeomorphisms of $(-1,1)^n$ sending fixed point to origin

Published on 13 Jun 2023 - 2:22

score 163 · Answer 11 · 2023-06-13 21:27:05

163

Views

Uncertain about the statement "equivalent condition for an isometry of Riemannian manifolds" in Lee's Intro to Riemannian Manifolds

Published on 13 Jun 2023 - 21:27

score 111 · Answer 12 · 2023-06-17 19:14:19

111

Views

Boundary case of adapted orthonormal frame exercise in Professor Lee's Introduction to Riemannian Manifolds (IRM)

Published on 17 Jun 2023 - 19:14

score 71 · Answer 13 · 2023-06-23 21:30:34

71

Views

Smooth map is diffeomorphism iff its pullback is an algebra isomorphism?

Published on 23 Jun 2023 - 21:30

score 263 · Answer 14 · 2023-06-26 14:06:12

263

Views

Why $f(x)=x^3$ is not diffeomorphism?

Published on 26 Jun 2023 - 14:06

score 110 · Answer 15 · 2023-07-27 17:11:48

110

Views

Definition of uniformly $C^1$-regular boundary: Why last coordinate of diffeomorphism $\mathbb{e_d} \cdot \Phi(y) >0 \iff y \in \Omega $

Published on 27 Jul 2023 - 17:11

List Question

Give an example of a diffeomorphism between $\{ (x, y) \in \mathbb R^2: 1 < x^2 +y^2 < 2, x < y < 2x \}$ and a square

Question about the existence of a diffeomorphism between nonsmooth domains in $\mathbb{R}^2$

Can a diffeomorphism of the circle with irrational rotation number have vanishing derivative?

Proving a certain map on $S^n$ is a diffeomorphism

Open neighborhoods for diffeomorphism.

Prove that $\varphi\circ X_1$ is also a parametrization if $\varphi$ is a diffeomorphism and $X_1$ is a parametrization

Diffeomorphism from $\{(x, y) \in \mathbb R^2 : 0 < x^2 + y^2 < 1\}$ to $\{(x, y) \in \mathbb R^2 : x^2 + y^2 > 1\}$

Are diffeomorphisms induced by non-autonomous flows the same as autonomous flows on a compact subset?

A complete closed uni-leaf foliation on $\Bbb B^2$

Diffeomorphisms of $(-1,1)^n$ sending fixed point to origin

Uncertain about the statement "equivalent condition for an isometry of Riemannian manifolds" in Lee's Intro to Riemannian Manifolds

Boundary case of adapted orthonormal frame exercise in Professor Lee's Introduction to Riemannian Manifolds (IRM)

Smooth map is diffeomorphism iff its pullback is an algebra isomorphism?

Why $f(x)=x^3$ is not diffeomorphism?

Definition of uniformly $C^1$-regular boundary: Why last coordinate of diffeomorphism $\mathbb{e_d} \cdot \Phi(y) >0 \iff y \in \Omega $

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