Timeline for Why not $\mathit{KSO}$, $\mathit{KSpin}$, etc.?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 5, 2017 at 17:55 | answer | added | Arun Debray | timeline score: 3 | |
| Apr 23, 2017 at 4:52 | history | edited | Arun Debray | CC BY-SA 3.0 |
post-accept update
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| Apr 23, 2017 at 4:48 | vote | accept | Arun Debray | ||
| Apr 18, 2017 at 15:44 | comment | added | Lennart Meier | Likewise, $KSpin$ is essentially only the $4$-connective cover of $KO$, only that we decided that we leave the $\pi_0$-unchanged. This happens in general if you take an $X$-structure classified by $BO\langle n\rangle BO$, just in case you want to consider $KString$ or so. What other interesting examples are there? | |
| Apr 18, 2017 at 2:04 | comment | added | Will Sawin | $KSO(X)$ is just the kernel of the natural map from $KO(X)$ to $H^1(X,\mathbb Z/2)$. So probably if it can be defined, the spectrum is not far away from $KO$. | |
| Apr 18, 2017 at 1:17 | answer | added | Denis Nardin | timeline score: 19 | |
| Apr 17, 2017 at 22:49 | history | asked | Arun Debray | CC BY-SA 3.0 |