Timeline for Pre-triangulated category that isn't triangulated
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 11, 2017 at 13:27 | comment | added | motivique | I am very sorry that I misunderstood the question. I had another definition in head, that is, pretriangulated categories are additive categories which are both left triangulated categories and right triangulated categories etc. Very sorry for this wrong answer! | |
| Mar 10, 2017 at 8:45 | review | Suggested edits | |||
| Mar 10, 2017 at 9:15 | |||||
| Mar 7, 2017 at 9:33 | comment | added | Jeremy Rickard | The quotient of an abelian category by a functorially finite subcategory is not in general pretriangulated. For example, the zero subcategory is always functorially finite. | |
| Mar 7, 2017 at 1:08 | comment | added | Dylan Wilson | I'm highly skeptical of both of these 'examples'. | |
| Mar 7, 2017 at 1:05 | review | Late answers | |||
| Mar 7, 2017 at 1:15 | |||||
| Mar 7, 2017 at 0:50 | history | answered | motivique | CC BY-SA 3.0 |