Timeline for Examples of rings whose units $\cup\, \{0\}$ comprise a field
Current License: CC BY-SA 4.0
15 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 30, 2024 at 8:15 | history | edited | Bill Dubuque | CC BY-SA 4.0 | edited title |
| Sep 11, 2020 at 1:04 | comment | added | Bill Dubuque | @goblin I'm going to try to ignore politics - which is almost as bad as the real world these days. | |
| Sep 11, 2020 at 0:06 | comment | added | goblin GONE | @BillDubuque, thanks! I think everyone though you weren't coming back... | |
| Sep 10, 2020 at 23:14 | comment | added | Bill Dubuque | See also here on rings spanned by units. | |
| Aug 30, 2014 at 2:14 | vote | accept | goblin GONE | ||
| Aug 29, 2014 at 9:37 | history | edited | goblin GONE | CC BY-SA 3.0 | deleted 112 characters in body |
| Aug 29, 2014 at 8:46 | answer | added | Andrew Dudzik | timeline score: 1 | |
| Aug 29, 2014 at 8:39 | answer | added | guy-in-seoul | timeline score: 5 | |
| Aug 29, 2014 at 7:48 | comment | added | user14972 | Maybe this is "cheating", but $R[t^2, t^3]$ would be a coolring that isn't isomorphic to a polynomial ring over $R$. (except possibly for weird $R$'s) | |
| Aug 29, 2014 at 7:25 | history | edited | user26857 | CC BY-SA 3.0 | added 2 characters in body |
| Aug 29, 2014 at 2:37 | answer | added | zcn | timeline score: 1 | |
| Aug 29, 2014 at 1:57 | comment | added | Bill Dubuque | See this answer for analysis of some finite cases. | |
| Aug 29, 2014 at 1:28 | comment | added | Asaf Karagila♦ | Cool ring, or a coloring? | |
| Aug 29, 2014 at 1:27 | comment | added | rogerl | Note that any such ring has the property that the units together with zero form a group under addition (and of course the units form a group under multiplication). | |
| Aug 29, 2014 at 1:23 | history | asked | goblin GONE | CC BY-SA 3.0 |