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Jan 17, 2019 at 0:11 comment added Sándor Kovács Just FYI, the canonical sheaf being a line bundle is not enough for being Gorenstein. E.g., a cone over an abelian surface has a trivial canonical sheaf, but it is not Gorenstein, because it is not Cohen-Macaluay.
Nov 17, 2016 at 20:58 vote accept Xuqiang QIN
Oct 6, 2016 at 14:27 history edited Xuqiang QIN CC BY-SA 3.0
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Oct 5, 2016 at 18:47 answer added Sándor Kovács timeline score: 6
Oct 5, 2016 at 18:46 answer added Libli timeline score: 5
Oct 5, 2016 at 18:21 history edited Xuqiang QIN CC BY-SA 3.0
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Oct 5, 2016 at 16:53 history asked Xuqiang QIN CC BY-SA 3.0