Timeline for Homotopy equivalent smooth 4-manifolds which are not stably diffeomorphic?
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 24, 2021 at 13:41 | answer | added | Dave Davidson | timeline score: 4 | |
| Jan 8, 2021 at 15:37 | vote | accept | Chris Schommer-Pries | ||
| Dec 11, 2020 at 0:41 | history | became hot network question | |||
| Dec 10, 2020 at 18:25 | comment | added | archipelago | If you find an exotic 4-sphere, let me know. | |
| Dec 10, 2020 at 18:25 | comment | added | mme | @ConnorMalin Wall proved many moons ago that homotopy equivalent simply connected closed 4-manifolds are stably diffeomorphic. | |
| Dec 10, 2020 at 17:36 | comment | added | Connor Malin | Is it possible that exotic 4-spheres could give examples? Or perhaps it is known they are all stably diffeomorphic? | |
| Dec 10, 2020 at 17:14 | answer | added | Arun Debray | timeline score: 12 | |
| Dec 10, 2020 at 16:35 | history | asked | Chris Schommer-Pries | CC BY-SA 4.0 |