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Feb 23, 2019 at 12:15 vote accept Ali Caglayan
Feb 11, 2019 at 19:09 comment added ThiKu For $X=S^0$ you just see ad hoc what the map is: it is a 2-fold covering.
Feb 11, 2019 at 18:26 comment added Ali Caglayan What are the necessary conditions for $X*X \to SX$ to be a fibration? I seem to recall X being path connected is used some essential way.
Feb 11, 2019 at 16:31 history answered ThiKu CC BY-SA 4.0