Timeline for Explicit $2$-cocycle for $2^{1+2n}_+$
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
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| Jul 17 at 4:00 | comment | added | David Roberts♦ | @zeraouliarafik where did you get that formula from? Looks to me like a copy of the formula in the original post but using that +1=-1 in characteristic 2. | |
| Jul 17 at 2:57 | answer | added | testaccount | timeline score: 0 | |
| Jul 16 at 16:39 | vote | accept | Antoine | ||
| Jul 16 at 14:47 | answer | added | Dave Benson | timeline score: 4 | |
| Jul 16 at 14:33 | comment | added | Antoine | @zeraouliarafik I do not think it is that easy. | |
| Jul 16 at 13:23 | comment | added | zeraoulia rafik | For $p = 2$, the explicit description of the cocycle $\beta$ is: $$ \beta(v, w) = \sum_{i=1}^n v_i w_{n+i} + v_{n+i} w_i, $$ where $v$ and $w$ are elements of $(\mathbb{Z}/2)^{2n}$. | |
| Jul 16 at 13:13 | history | edited | Antoine | CC BY-SA 4.0 |
added 6 characters in body
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| Jul 16 at 13:07 | history | asked | Antoine | CC BY-SA 4.0 |