Timeline for Computing the cardinality of cohomology groups
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Feb 17, 2013 at 21:22 | comment | added | Gregor Samsa | Thanks for your answer, Chris. The paper by Chin seems to be quite helpful. | |
| Feb 17, 2013 at 4:39 | comment | added | Mariano Suárez-Álvarez | Ah. In fact, you can always take $n=d$. | |
| Feb 17, 2013 at 4:37 | history | edited | Chris Gerig | CC BY-SA 3.0 |
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| Feb 17, 2013 at 4:36 | comment | added | Chris Gerig | Right, forgot to include "there exists $n$" | |
| Feb 17, 2013 at 2:52 | comment | added | Mariano Suárez-Álvarez | In 2): not all cohomology groups of a periodic group have the same order. For example, the oddly-indexed cohomology groups of a finite cyclic groups with values in $\mathbb Z$ are trivial. | |
| Feb 16, 2013 at 23:45 | history | edited | Chris Gerig | CC BY-SA 3.0 |
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| Feb 16, 2013 at 23:28 | history | answered | Chris Gerig | CC BY-SA 3.0 |