Timeline for Simplicial model for $\Sigma^{\infty}_+ \Omega^{\infty}X$?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Jan 30, 2018 at 1:40 | comment | added | John Klein | Oh yeah, I should have realized that....Well, so much for MO on the flu. | |
| Jan 28, 2018 at 18:29 | comment | added | Nicholas Kuhn | John: To have the suspension spectrum of an $E_{\infty}$ space, or more simply, a topological monoid, be a ring spectrum one needs to add a basepoint. (Think about it.) The output is then, in fact, a ring spectrum augmented over the sphere spectrum. By the way, I have answers to my question obtained in more traditional ways. | |
| Jan 26, 2018 at 13:50 | comment | added | John Klein | Nick, why are you adding "+"? Isn't the relevant functor given by $X \mapsto \Sigma^\infty \Omega^\infty X$? | |
| Jan 9, 2018 at 21:38 | history | asked | Nicholas Kuhn | CC BY-SA 3.0 |