Timeline for Do trivial homotopy groups imply existence of boundary preserving homotopies?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 5, 2017 at 16:58 | vote | accept | Asaf Shachar | ||
| Oct 24, 2017 at 6:36 | comment | added | Lennart Meier | If you delete the $M\times \partial I$ in the middle, your equation is correct; and yes, it agrees with the standard topological boundary. | |
| Oct 24, 2017 at 4:19 | comment | added | Asaf Shachar | Thanks. Is $\partial (M\times I)=M \times \partial I=M \times \{0\} \cup M \times \{1\} \cup \partial M \times [0,1]$? (Is this the standard topological boundary?) | |
| Oct 23, 2017 at 15:53 | history | answered | Lennart Meier | CC BY-SA 3.0 |