Timeline for Is it true that if $\operatorname{Ext}^{1}_{A}(P,A/I)=0 $ for all $ I$ then $P$ is projective?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
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| Feb 15, 2016 at 13:55 | history | edited | user9072 | CC BY-SA 3.0 |
fixed MathJax still broken from miigration
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| Nov 7, 2012 at 16:40 | history | answered | eb80 | CC BY-SA 3.0 |