Timeline for HNN extension group with finitely generated base
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 11, 2016 at 16:59 | comment | added | YCor | You can cook up an example with $H=BS(1,2)^2$ and a well-chosen choice of $B$. Also there are examples where $H$ is Thompson's group $F$. | |
| Feb 11, 2016 at 16:34 | comment | added | user182085 | Do you have any example for such HNN- extension? In the example that I found the group $H$ is finitely presented | |
| Feb 11, 2016 at 14:48 | comment | added | YCor | I doubt you can get a general answer other than just a restatement. The answer is quite subtle even in the case when $H$ is metabelian (of course, a sufficient condition is that $B$ is finitely presented, but it's not necessary). | |
| Feb 11, 2016 at 14:33 | history | edited | user182085 | CC BY-SA 3.0 |
added 1 character in body
|
| Feb 11, 2016 at 14:16 | history | asked | user182085 | CC BY-SA 3.0 |