Timeline for Existence of quasi-isomorphisms between complexes with same homology
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 21, 2023 at 12:58 | comment | added | Flavius Aetius | @ Zhen Lin, is it true thought for sheaves of fields $\mathbb{F}_X$? | |
| Apr 1, 2022 at 15:19 | comment | added | Grisha Papayanov | You're probably aware of this, but if $\mathcal{A}$ has Ext-dimension 1, then every bounded complex splits in the derived category, see e.g. stacks.math.columbia.edu/tag/0GM4 | |
| Mar 30, 2022 at 23:34 | comment | added | Sam K | Indeed, as this answer states. I'm hoping for possibly more general statements though, if they exist. | |
| Mar 30, 2022 at 23:20 | comment | added | Zhen Lin | If $R$ is a field, then in fact it happens always. | |
| Mar 30, 2022 at 23:14 | history | asked | Sam K | CC BY-SA 4.0 |