Timeline for X not simply connected and X-x contractible
Current License: CC BY-SA 2.5
6 events
when toggle format | what | by | license | comment | |
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Aug 8, 2010 at 15:40 | answer | added | damiano | timeline score: 3 | |
Aug 8, 2010 at 13:20 | vote | accept | Manuel Rivera | ||
Aug 8, 2010 at 13:16 | vote | accept | Manuel Rivera | ||
Aug 8, 2010 at 13:20 | |||||
Aug 8, 2010 at 2:20 | answer | added | Andreas Blass | timeline score: 12 | |
Aug 8, 2010 at 2:18 | comment | added | Donu Arapura | Take two 2-spheres. Glue them at the north pole ($x$) and the south pole to get a nonsimply connected space $X$ which becomes simply connected after removing $x$, | |
Aug 8, 2010 at 2:10 | history | asked | Manuel Rivera | CC BY-SA 2.5 |