Timeline for Künneth formula for cohomology
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 23, 2012 at 5:45 | comment | added | Axel | Aha, I see what you mean! Thank you! | |
| Sep 22, 2012 at 12:55 | comment | added | Peter May | I see what may have been confusing you. As I said (p. 136 original version, 134 of the second edition), you can start with cochain complexes $Y$ and $Y'$ that don't necessarily arise by dualizing chain complexes, and then the Kunneth theorem does apply directly. The finite type question arises from the dualization. | |
| Sep 22, 2012 at 7:42 | history | answered | Axel | CC BY-SA 3.0 |