Timeline for Do $\mathbb{HP}^2\#\overline{\mathbb{HP}^2}$ and $\mathbb{OP}^2\#\overline{\mathbb{OP}^2}$ arise as sphere bundles over spheres?
Current License: CC BY-SA 4.0
1 event
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 31, 2018 at 21:56 | history | answered | Allen Hatcher | CC BY-SA 4.0 |