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Timeline for on product of some spaces

Current License: CC BY-SA 3.0

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when toggle format what by license comment
Dec 14, 2011 at 7:01 comment added Olga Great thanks for answer. Of course $X\times R$ is homeomorphic (not diffeomorphic) to $S^n\times R$.
Dec 13, 2011 at 16:13 history edited Vitali Kapovitch CC BY-SA 3.0
added 6 characters in body
Dec 13, 2011 at 14:54 history answered Vitali Kapovitch CC BY-SA 3.0