Timeline for Does every embedded 2-sphere in $\mathbb{R}^n$ bound an embedded ball?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 15, 2015 at 2:16 | comment | added | Ben Wieland | Haefliger's theorem is optimal in the smooth category, but PL or Top, codimension 3 is all that is needed to unknot. | |
| Jan 9, 2015 at 12:15 | history | answered | Marco Golla | CC BY-SA 3.0 |