Timeline for Homology or cohomology?
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 13, 2015 at 17:13 | vote | accept | Mikhail Bondarko | ||
| May 2, 2011 at 5:00 | answer | added | some guy on the street | timeline score: 2 | |
| May 2, 2011 at 4:25 | comment | added | Tyler Lawson |
From this kind of annoyance comes the convention $H_i = H^{-i}$.
|
|
| May 2, 2011 at 4:25 | comment | added | Will Jagy | Just for the possible amusement value, there was once an argument on this exact topic on an episode of an American television show called NCIS. Maybe this link will work: $$ $$ ncisfanwiki.com/page/2.20+-+Red+Cell | |
| May 2, 2011 at 3:28 | answer | added | Ryan Reich | timeline score: 3 | |
| May 1, 2011 at 16:48 | comment | added | Mikhail Bondarko | Possibly you are right; but suppose that you only have the corresponding homotopy (or derived) category (so the direction of arrows is not specified); how would you call the corresponding functor? | |
| May 1, 2011 at 16:27 | comment | added | Bill Kronholm | I've always considered that homology of a chain complex is homology, and homology of a cochain complex is cohomology. | |
| May 1, 2011 at 14:38 | answer | added | André Henriques | timeline score: 5 | |
| May 1, 2011 at 13:10 | history | edited | Mikhail Bondarko | CC BY-SA 3.0 |
Added: homology or cohomology of a complex?
|
| May 1, 2011 at 12:26 | history | asked | Mikhail Bondarko | CC BY-SA 3.0 |