Timeline for A Module with $Ext^i(M,R) = 0$ for all $i > 0$
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Dec 21, 2011 at 11:33 | comment | added | Graham Leuschke | Actually, this is a terrible example. All these modules have finite projective dimension! I should have used $k[x]/(x^2)$; the residue field has infinite projective dimension and is not a direct limiit of modules of finite projective dimension. | |
| Dec 21, 2011 at 10:53 | vote | accept | User3568 | ||
| Dec 20, 2011 at 16:25 | history | answered | Graham Leuschke | CC BY-SA 3.0 |