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Timeline for Flatness over non-reduced schemes

Current License: CC BY-SA 2.5

6 events
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Oct 24, 2011 at 17:35 answer added Ravi Vakil timeline score: 3
Feb 27, 2010 at 21:10 answer added Qing Liu timeline score: 5
Feb 27, 2010 at 19:40 answer added VA. timeline score: 7
Feb 26, 2010 at 7:40 comment added Kevin Buzzard I wouldn't have thought that the family "p=0" over the ring Z/p^2Z would be flat, so you might need extra conditions in 1.
Feb 26, 2010 at 2:59 history edited user4266 CC BY-SA 2.5
added 476 characters in body
Feb 26, 2010 at 2:06 history asked user4266 CC BY-SA 2.5