Timeline for Tate Cohomology via stable categories
Current License: CC BY-SA 2.5
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 22, 2011 at 8:56 | vote | accept | Hanno | ||
| Jan 25, 2010 at 22:37 | comment | added | Hanno | Ahh, I finally got it :) ... the maps $\Omega^{-1}{\mathbb Z}\otimes_{\mathbb Z}\Omega^{-1}a\cong{\mathbb Z}\otimes_{\mathbb Z}\Omega^{-2}a\cong\Omega^{-2}a$ and $\Omega^{-1}{\mathbb Z}\otimes_{\mathbb Z}\Omega^{-1}a\cong\Omega^{-1}(\Omega^{-1}{\mathbb Z}\otimes_{\mathbb Z} a)\to\Omega^{-1}({\mathbb Z}\otimes_{\mathbb Z}\Omega^{-1}a)\cong\Omega^{-2}a$ agree only up to sign (and this is also what Mariano requires axiomatically in his paper). Now everything's clear! Thanks alot, Greg, for your help and your patience! | |
| Jan 25, 2010 at 21:07 | history | edited | Greg Stevenson | CC BY-SA 2.5 |
added 986 characters in body
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| Jan 25, 2010 at 11:18 | history | answered | Greg Stevenson | CC BY-SA 2.5 |