Timeline for May this slice disk for the unknot be pushed into the boundary?
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 18, 2020 at 17:53 | comment | added | Steven Sivek | There's a continuous family of disks $S^1\times[0,t] \cup (D^2 x \{t\})$ with boundary $K$. At $t=0$ you have $D^2 \times \{0\}$, and at $t=1$ the whole disk lies in $S^3$. | |
| Sep 18, 2020 at 12:02 | comment | added | Overflowian | I don't understand the -1. I've posted this question on MSE before trying MO, in 2 days I've got +3 votes and no hints. It is surely something well known to people in the field but that's not a good reason for a down-vote. | |
| Sep 18, 2020 at 10:47 | history | asked | Overflowian | CC BY-SA 4.0 |