Timeline for Is an inextensible manifold necessarily compact?
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 23, 2022 at 10:53 | vote | accept | Amr | ||
| Nov 19, 2022 at 2:29 | comment | added | LSpice | Thanks! Since @DmitryK says that they will delete their answer, I'll probably just let it be, but I appreciate your keeping track. | |
| Nov 19, 2022 at 2:04 | comment | added | Jason DeVito - on hiatus | Here's a picture for the image of $f$ with $n=3$. Think of $\mathbb{R}^3$ as a ball of clay. Stick your finger in it, pushing towards the center. I learned of these kind of a self diffeomorphisms ages ago from an MO or MSE question about non-compact n-manifolds deformation retracting onto smaller dimensional sub-complexes. | |
| Nov 19, 2022 at 0:21 | comment | added | Jason DeVito - on hiatus | @LSpice: Yes, sorry, it should be embedded with closed image. | |
| Nov 18, 2022 at 23:23 | comment | added | LSpice | I guess $\gamma$ should be an injective curve? | |
| Nov 18, 2022 at 23:20 | history | edited | LSpice | CC BY-SA 4.0 |
Typo
|
| Nov 18, 2022 at 20:41 | history | answered | Jason DeVito - on hiatus | CC BY-SA 4.0 |