Timeline for Weakly contractible $X$, but none of the maps $*\to X$ are cofibrations
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 17 at 20:28 | vote | accept | mathmo | ||
| Jan 17 at 16:38 | comment | added | David White | Whoops, indeed. I fixed it now. Thanks. | |
| Jan 17 at 16:37 | history | edited | David White | CC BY-SA 4.0 |
Fixed wrong things; Post Made Community Wiki
|
| Jan 17 at 15:13 | comment | added | Tyrone | Do you have a typo? The Warsaw circle is weakly contractible (but not contractible). I gave that example because it belongs to $CGWH$. The extended long ray is not weakly contractible since it is not path connected. | |
| Jan 17 at 14:12 | history | answered | David White | CC BY-SA 4.0 |