I have a problem with creating an equivalence relation ~ in a set :
$ S^{1}\times S^{2}$ so that $ (S^{1}\times S^{2})/$~ (a quotient space of the given relation) is homeomorphic to 3-dimensional sphere.Thank you for any clues.
2026-03-30 15:13:18.1774883598
Topology given by a relation
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