Timeline for Properties of Følner sequences for countably infinite, finitely generated, amenable, periodic/torsion groups
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 19, 2022 at 7:45 | comment | added | YCor | Just as a comment, exponential growth of standard wreath products (namely of $A\wr B$ for $A\neq 1$ and $B$ infinite f.g.) is folklore and well-known, and it was quite a surprise when Bartholdi and Erschler came up in 2011 with (permutational) wreath products of subexponential growth. | |
| Jun 19, 2022 at 7:24 | answer | added | Ville Salo | timeline score: 2 | |
| Jun 17, 2022 at 20:27 | comment | added | Ville Salo | Isn't the answer to the first question trivially "yes"? The answer to the second is "no": for any $G$ which is is countably infinite, finitely generated, amenable and torsion, the group $\mathbb{Z}_2 \wr G$ has exponential growth. | |
| Jun 17, 2022 at 19:46 | history | edited | LSpice | CC BY-SA 4.0 |
Folner -> Følner
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| Jun 17, 2022 at 19:44 | history | edited | YCor | CC BY-SA 4.0 |
fixed typo
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| S Jun 17, 2022 at 19:35 | review | First questions | |||
| Jun 17, 2022 at 19:51 | |||||
| S Jun 17, 2022 at 19:35 | history | asked | Jacob R | CC BY-SA 4.0 |