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Jun 13 at 1:43 vote accept David Roberts
Jun 13 at 1:39 answer added David Roberts timeline score: 3
Aug 25, 2021 at 3:31 history edited David Roberts
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Sep 18, 2017 at 6:33 history edited David Roberts CC BY-SA 3.0
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May 12, 2014 at 10:42 vote accept David Roberts
Jun 13 at 1:39
Jun 19, 2011 at 9:00 comment added Martin Brandenburg Interesting question, I also wonder if it is reasonable to generalize the theory of algebraic stacks to some theory where groupoids are replaced by categories. The examples you mentioned already show that this is sometimes more natural.
Mar 1, 2011 at 6:33 answer added Torsten Ekedahl timeline score: 22
Mar 1, 2011 at 4:12 history asked David Roberts CC BY-SA 2.5