Timeline for Non-simple and non-unital rings with trivial centres
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 6, 2013 at 19:21 | vote | accept | Johan Öinert | ||
| May 6, 2013 at 19:21 | comment | added | Johan Öinert | Thanks Fernando! That is a nice and elementary example. I was looking in the wrong place. | |
| May 6, 2013 at 16:34 | answer | added | Boris Novikov | timeline score: 3 | |
| May 6, 2013 at 16:26 | comment | added | Fernando Muro | ... I forgot to say that $R$ and $S$ should be non-trivial. | |
| May 6, 2013 at 16:23 | comment | added | Fernando Muro | If $R$ and $S$ are centerless then $R\times S$ is centerless and it is not simple. | |
| May 6, 2013 at 16:01 | history | asked | Johan Öinert | CC BY-SA 3.0 |