Timeline for Is an additive category a balanced category?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 28, 2013 at 8:55 | vote | accept | CJ L | ||
| Jan 25, 2013 at 15:07 | answer | added | Martin Brandenburg | timeline score: 3 | |
| Jan 25, 2013 at 11:40 | answer | added | Jochen Wengenroth | timeline score: 2 | |
| Jan 25, 2013 at 11:33 | comment | added | Stephan Müller | A necessary condition for punctured category to be balanced is "every mono is the kernel of some morphism" or dually "every epi is the cokernel of some morphism". In view of this, existence of counterexamples seems much more plausible than if one thinks of an 'almost abelian' setting. ---- And the map n:Z->Z form Eric Wofseys example is not the cokernel of something. | |
| Jan 25, 2013 at 9:29 | answer | added | Eric Wofsey | timeline score: 11 | |
| Jan 25, 2013 at 9:20 | history | asked | CJ L | CC BY-SA 3.0 |