Question

Image of the canonical map is closed in a non-reflexive space

score 306 · Answer 1 · 2026-02-23 02:43:41

306

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Image of the canonical map is closed in a non-reflexive space

Published on 23 Feb 2026 - 2:43

score 53 · Answer 2 · 2026-03-25 08:08:36

53

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Isomorph vector space such that X complete and Y not

Published on 25 Mar 2026 - 8:08

score 78 · Answer 3 · 2026-03-25 09:50:14

78

Views

Proof Correct? Show that $\sum_{n \in \mathbb N}s_{n}t_{n}<\infty \Rightarrow s \in \ell^{1}$

Published on 25 Mar 2026 - 9:50

score 434 · Answer 4 · 2019-07-09 04:11:01

434

Views

Isometry on Riemannian Manifold

Published on 09 Jul 2019 - 4:11

score 33 · Answer 5 · 2026-03-25 15:43:42

33

Views

Can a diffeomorphism make a pseudo-Riemannian manifold more symmetric (so it has more Killing vectors)?

Published on 25 Mar 2026 - 15:43

score 432 · Answer 6 · 2019-07-12 18:56:48

432

Views

Prove that an isometry of a compact metric space is not topologically mixing.

Published on 12 Jul 2019 - 18:56

score 384 · Answer 7 · 2019-07-13 23:56:28

384

Views

Isometries with $f(p) = g(p)$ and $df_p=dg_p$ implies $f = g$

Published on 13 Jul 2019 - 23:56

score 83 · Answer 8 · 2019-07-14 10:16:57

83

Views

Question on embedding of a metric space .

Published on 14 Jul 2019 - 10:16

score 128 · Answer 9 · 2019-07-21 23:53:40

128

Views

A space with an isometry group of $\operatorname{Spin}(d)$?

Published on 21 Jul 2019 - 23:53

score 36 · Answer 10 · 2019-07-25 15:36:45

36

Views

Isometric mapping of periodic paralellapiped into periodic rectangular prism

Published on 25 Jul 2019 - 15:36

score 397 · Answer 11 · 2019-08-07 23:57:49

397

Views

Approximate embeddings of the hyperbolic plane in $\Bbb R^3$

Published on 07 Aug 2019 - 23:57

score 50 · Answer 12 · 2019-08-10 16:49:18

50

Views

Why does regularity of a triangle follow from $60^\circ$ isometry around a vertex?

Published on 10 Aug 2019 - 16:49

score 141 · Answer 13 · 2019-08-12 17:41:22

141

Views

Changing Coordinates by Translation

Published on 12 Aug 2019 - 17:41

score 201 · Answer 14 · 2019-08-13 22:06:44

201

Views

Form of an isometry on a vector space with inner product

Published on 13 Aug 2019 - 22:06

score 515 · Answer 15 · 2019-08-14 11:49:17

515

Views

Prove that $(\mathbb{R}^2,d_2)$ and $(\mathbb{R}^2,d_1)$ are not isometric, where $d_2$ is euclidean metric and $d_1$ is absolute value metric.

Published on 14 Aug 2019 - 11:49

List Question

Image of the canonical map is closed in a non-reflexive space

Isomorph vector space such that X complete and Y not

Proof Correct? Show that $\sum_{n \in \mathbb N}s_{n}t_{n}<\infty \Rightarrow s \in \ell^{1}$

Isometry on Riemannian Manifold

Can a diffeomorphism make a pseudo-Riemannian manifold more symmetric (so it has more Killing vectors)?

Prove that an isometry of a compact metric space is not topologically mixing.

Isometries with $f(p) = g(p)$ and $df_p=dg_p$ implies $f = g$

Question on embedding of a metric space .

A space with an isometry group of $\operatorname{Spin}(d)$?

Isometric mapping of periodic paralellapiped into periodic rectangular prism

Approximate embeddings of the hyperbolic plane in $\Bbb R^3$

Why does regularity of a triangle follow from $60^\circ$ isometry around a vertex?

Changing Coordinates by Translation

Form of an isometry on a vector space with inner product

Prove that $(\mathbb{R}^2,d_2)$ and $(\mathbb{R}^2,d_1)$ are not isometric, where $d_2$ is euclidean metric and $d_1$ is absolute value metric.

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