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Dec 6, 2022 at 15:05 history edited Francesco Polizzi CC BY-SA 4.0
deleted 4 characters in body
Dec 6, 2022 at 11:24 history edited Francesco Polizzi CC BY-SA 4.0
added 169 characters in body
Dec 6, 2022 at 11:13 history edited Francesco Polizzi CC BY-SA 4.0
added 169 characters in body
Dec 6, 2022 at 11:09 comment added Francesco Polizzi I checked and you are right, thanks. I misread the question. Now it is back in its original form, and I will edit the answer accordingly.
Dec 6, 2022 at 11:06 comment added Jonny Evans Wasn't the question originally asking if there is always a nonvanishing homotopy group (after your edit the question has changed)?
Dec 6, 2022 at 10:45 history edited Francesco Polizzi CC BY-SA 4.0
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Dec 6, 2022 at 10:27 history answered Francesco Polizzi CC BY-SA 4.0