Timeline for Do quasi-isometric groups have the same rational cohomology?
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 5, 2015 at 0:57 | comment | added | YCor | It's not an "observation" but a deep theorem. | |
| Sep 23, 2015 at 16:39 | vote | accept | Jens Reinhold | ||
| Sep 23, 2015 at 13:46 | comment | added | Ian Agol | The infinite dihedral group $\mathbb{Z}/2\mathbb{Z}\ast \mathbb{Z}/2\mathbb{Z}$ and the integers $\mathbb{Z}$ are quasi-isometric, so Yves' observation does not hold for virtually nilpotent groups. | |
| Sep 23, 2015 at 12:05 | review | Close votes | |||
| Sep 23, 2015 at 20:46 | |||||
| Sep 23, 2015 at 9:04 | comment | added | YCor | For finitely generated nilpotent groups the answer is positive by work of Shalom and Sauer. | |
| Sep 23, 2015 at 2:31 | answer | added | ThiKu | timeline score: 5 | |
| Sep 23, 2015 at 2:30 | answer | added | Qiaochu Yuan | timeline score: 5 | |
| Sep 23, 2015 at 0:50 | history | asked | Jens Reinhold | CC BY-SA 3.0 |