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Jan 7, 2023 at 18:18 comment added Theo Johnson-Freyd I corrected a small typo.
Jan 7, 2023 at 18:18 history edited Theo Johnson-Freyd CC BY-SA 4.0
typo correction: changed one occurrence of "$e^1_n$" to the (now unique) occurrence of "$e^1_0$".
Jan 7, 2023 at 2:55 comment added Nicholas Kuhn One has lots of choice with those attaching maps for the 2-cells, so one has lots of examples of these Moore spaces of nonabelian groups.
Jan 7, 2023 at 2:40 vote accept Nicholas Kuhn
Jan 7, 2023 at 2:40 comment added Nicholas Kuhn I see. a_1 has order 4 in H_1, and I guess that calculation is typical. I am happy again.
Jan 7, 2023 at 2:27 comment added Nicholas Kuhn Upon reflection, it would be nice to see a bit more detail about why H_1 is all torsion.
Jan 7, 2023 at 2:17 vote accept Nicholas Kuhn
Jan 7, 2023 at 2:24
Jan 7, 2023 at 2:16 comment added Nicholas Kuhn Very nice. And yes, surely this generalizes to odd primes.
Jan 7, 2023 at 2:04 history edited Tom Goodwillie CC BY-SA 4.0
deleted 39 characters in body
Jan 7, 2023 at 0:26 history answered Tom Goodwillie CC BY-SA 4.0