Timeline for Homology or cohomology?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
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| May 1, 2011 at 16:47 | 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 14:38 | history | answered | André Henriques | CC BY-SA 3.0 |