Timeline for Homotopy class of maps from torus to BG for a group G [closed]
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
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| Sep 13, 2016 at 20:16 | history | closed |
Franz Lemmermeyer Wolfgang abx john mangual Ryan Budney |
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| Sep 13, 2016 at 16:27 | comment | added | Qiaochu Yuan | The claim is slightly incorrect as stated; either you should take pointed homotopy or you should quotient by conjugation by $G$. | |
| Sep 13, 2016 at 13:08 | comment | added | S. Carnahan♦ | Could you fix your link? Even after inserting a colon after the http, Numdam said that the document wasn't found. | |
| Sep 13, 2016 at 13:05 | answer | added | Jens Reinhold | timeline score: 2 | |
| Sep 13, 2016 at 12:48 | comment | added | Uri Bader | Note that the set of pairs of commuting elements in $G$ is in bijections with $\text{Hom}(\mathbb{Z}^2,G)$. | |
| Sep 13, 2016 at 6:29 | comment | added | SashaP | This is true only if $G$ is discrete, see math.stackexchange.com/questions/36488/… and use that $G\sim \Omega BG$, so $\pi_1(BG)=\pi_0(G),\pi_2(BG)=\pi_1(G)$. | |
| Sep 13, 2016 at 4:12 | review | Close votes | |||
| Sep 13, 2016 at 20:16 | |||||
| Sep 13, 2016 at 3:43 | history | asked | user88649 | CC BY-SA 3.0 |