Timeline for homology under exact functors
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 18, 2017 at 12:12 | comment | added | Tom Goodwillie | Yes, and thank you for the correction. | |
| Mar 18, 2017 at 12:12 | history | edited | Tom Goodwillie | CC BY-SA 3.0 |
edited body
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| Mar 18, 2017 at 5:44 | comment | added | luw | Thank you very much! Your answer is quite clear and helpful. One thing I want to make sure is that were you using the fact: if $F$ is contravariant exact, then $Fcok(f)=ker(Ff)$ and $F(kerf)=cok(Ff)$ ? By the way, I think there is a minor mistake in your last expression, it should be: $FX^{i+1} \to ker(FX^{i}\to FX^{i-1})$. | |
| Mar 18, 2017 at 5:35 | vote | accept | luw | ||
| Mar 18, 2017 at 5:34 | vote | accept | luw | ||
| Mar 18, 2017 at 5:35 | |||||
| Mar 18, 2017 at 3:52 | history | answered | Tom Goodwillie | CC BY-SA 3.0 |