Question

A surface with first fundamental form $ds^2 = udu^2 + vdv^2$ cannot be locally isometric to a right circular cylinder

score 320 · Answer 1 · 2020-09-30 12:18:18

320

Views

A surface with first fundamental form $ds^2 = udu^2 + vdv^2$ cannot be locally isometric to a right circular cylinder

Published on 30 Sep 2020 - 12:18

score 71 · Answer 2 · 2020-09-30 20:47:32

71

Views

Spaces isometrically isomorphic

Published on 30 Sep 2020 - 20:47

score 346 · Answer 3 · 2026-03-27 10:44:34

346

Views

Correspondence between Riemannian metrics and Euclidean embeddings

Published on 27 Mar 2026 - 10:44

score 72 · Answer 4 · 2020-10-11 13:12:08

72

Views

Does every function $f: \Bbb{R} \rightarrow \Bbb{R}$ which is an isometry have to be a linear function?

Published on 11 Oct 2020 - 13:12

score 383 · Answer 5 · 2026-03-27 20:19:36

383

Views

In what sense do vector fields generate isometries?

Published on 27 Mar 2026 - 20:19

score 47 · Answer 6 · 2026-02-24 01:59:27

47

Views

Understanding mapping from space of uniformly spaced points to non-uniformly spaced points

Published on 24 Feb 2026 - 1:59

score 526 · Answer 7 · 2020-10-15 15:00:14

526

Views

Proving that a isometry between Hilbert spaces is a isomorphism.

Published on 15 Oct 2020 - 15:00

score 49 · Answer 8 · 2020-10-16 16:19:49

49

Views

Compact surface on which isometries act transitively

Published on 16 Oct 2020 - 16:19

score 120 · Answer 9 · 2020-10-17 06:59:31

120

Views

Surjective and pre-contractive mapping on compact space

Published on 17 Oct 2020 - 6:59

score 77 · Answer 10 · 2026-03-27 12:08:24

77

Views

Why Two line coincide in the product of reflections

Published on 27 Mar 2026 - 12:08

score 99 · Answer 11 · 2020-10-19 18:49:41

99

Views

Isometry in 2D uniquely determined by images at 3 non-colinear points

Published on 19 Oct 2020 - 18:49

score 125 · Answer 12 · 2020-10-20 03:51:31

125

Views

Horocycle function is not an isometry

Published on 20 Oct 2020 - 3:51

score 39 · Answer 13 · 2026-03-27 22:30:55

39

Views

Are Lipchitz isometries smooth up to the boundary?

Published on 27 Mar 2026 - 22:30

score 215 · Answer 14 · 2020-10-25 07:35:06

215

Views

Isometry group of $\mathbb{Z}$

Published on 25 Oct 2020 - 7:35

score 188 · Answer 15 · 2020-10-25 08:14:58

188

Views

Prove that Fourier transform on finite Abelian group is an isometry

Published on 25 Oct 2020 - 8:14

List Question

A surface with first fundamental form $ds^2 = udu^2 + vdv^2$ cannot be locally isometric to a right circular cylinder

Spaces isometrically isomorphic

Correspondence between Riemannian metrics and Euclidean embeddings

Does every function $f: \Bbb{R} \rightarrow \Bbb{R}$ which is an isometry have to be a linear function?

In what sense do vector fields generate isometries?

Understanding mapping from space of uniformly spaced points to non-uniformly spaced points

Proving that a isometry between Hilbert spaces is a isomorphism.

Compact surface on which isometries act transitively

Surjective and pre-contractive mapping on compact space

Why Two line coincide in the product of reflections

Isometry in 2D uniquely determined by images at 3 non-colinear points

Horocycle function is not an isometry

Are Lipchitz isometries smooth up to the boundary?

Isometry group of $\mathbb{Z}$

Prove that Fourier transform on finite Abelian group is an isometry

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