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Jan 30, 2020 at 6:37 vote accept CommunityBot
Jan 26, 2020 at 9:14 history edited user6671 CC BY-SA 4.0
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Jan 25, 2020 at 19:25 vote accept CommunityBot
Jan 30, 2020 at 6:36
Jan 25, 2020 at 13:22 comment added user6671 @MarkWildon thanks. that looks interesting
Jan 25, 2020 at 13:20 comment added Mark Wildon Related question: mathoverflow.net/q/218604/7709
Jan 25, 2020 at 12:26 answer added user6671 timeline score: 4
Jan 24, 2020 at 7:40 answer added Bugs Bunny timeline score: 2
Jan 24, 2020 at 3:26 history became hot network question
Jan 24, 2020 at 1:03 vote accept CommunityBot
Jan 25, 2020 at 12:27
Jan 23, 2020 at 21:29 answer added Kevin Casto timeline score: 22
Jan 23, 2020 at 21:11 comment added LSpice At least for your (2), note that, even in the cyclic case, you're choosing a cocycle. There happens to be an obvious one in the cyclic case, but, even in the Abelian but non-cyclic case, there'll be at least several equally natural choices.
Jan 23, 2020 at 19:20 history asked user6671 CC BY-SA 4.0