Timeline for Indecomposable weirdos (cnt.)
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 21, 2020 at 1:05 | comment | added | Wlod AA | Keith, thank you for your answer. Also my thanks to @YCor. This is my last OM action (sorry that I don't have the energy to continue or even to complete the present threads. There are also at least equally interesting questions about field-like structures, both algebraic and topological). Good luck. | |
| May 21, 2020 at 1:00 | vote | accept | Wlod AA | ||
| May 20, 2020 at 8:44 | comment | added | Keith Kearnes | Abelian (in the sense of commutator theory) is not the same as commutative. An algebra $A$ is abelian in the sense of commutator theory if the diagonal of $A\times A$ is a congruence class. | |
| May 20, 2020 at 8:44 | comment | added | მამუკა ჯიბლაძე | @WlodAA Sorry I should clarify that I mean abelian in the sense of commutator theory, as in this answer. Your example should be such, since it is affine (with $\alpha=2/3$, $\beta=1/3$, $c=0$), no? | |
| May 20, 2020 at 8:31 | comment | added | Wlod AA | @მამუკა ჯიბლაძე, In my earlier post I gave an example, in full detail, of a non-abelian weirdo, the one which lives in $\ \Bbb Z[\frac 16].$ | |
| May 20, 2020 at 8:01 | comment | added | მამუკა ჯიბლაძე | I suppose it is not known whether there are nonabelian weirdos? | |
| May 20, 2020 at 5:10 | history | answered | Keith Kearnes | CC BY-SA 4.0 |