Timeline for Künneth spectral sequence for cohomology of chain complexes of $R$-modules
Current License: CC BY-SA 4.0
10 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 25, 2022 at 14:36 | comment | added | Theo Johnson-Freyd | I didn't actually think through what I would expect the degrees to be, but as a rule of thumb homological and cohomological degrees are minus each other. And Ext and Hom are contravariant in the first entry. So the $(p,s,t)$ summand on the LHS looks to me like it is in total homological degree $-p-s+t$, not $p+s+t$. | |
| Jan 24, 2022 at 21:49 | vote | accept | Sam | ||
| Jan 24, 2022 at 21:49 | vote | accept | Sam | ||
| Jan 24, 2022 at 21:49 | |||||
| Jan 24, 2022 at 21:13 | answer | added | John Rognes | timeline score: 4 | |
| Jan 24, 2022 at 19:31 | comment | added | Z. M | This could be found in EKMM Thm 4.6 (or Lurie's Higher Algebra). | |
| Jan 24, 2022 at 18:18 | history | edited | YCor | CC BY-SA 4.0 |
formatting
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| Jan 24, 2022 at 17:24 | comment | added | Sam | Possibly not, what do you think they should be? | |
| Jan 24, 2022 at 17:14 | comment | added | Theo Johnson-Freyd | Are you sure you have the degrees right? | |
| Jan 24, 2022 at 16:56 | history | edited | Ira Gessel | CC BY-SA 4.0 |
edited title
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| Jan 24, 2022 at 16:49 | history | asked | Sam | CC BY-SA 4.0 |