Timeline for Non-homeomorphic spaces such that taking away a point makes them homeomorphic
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Aug 4, 2015 at 10:29 | comment | added | Simon Henry | You actually don't need $X$ and $Y$ to be Hausdorff to show that the homeomorphism cannot be induced by $\phi$. You only need them to have at least three points (otherwise the various topology on a two point spaces are all counterexample). | |
| Aug 4, 2015 at 10:24 | vote | accept | Dominic van der Zypen | ||
| Aug 4, 2015 at 10:16 | history | answered | Adam Przeździecki | CC BY-SA 3.0 |