Timeline for Image of poset with Hausdorff interval topology
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Jan 23, 2015 at 14:41 | comment | added | MikeTeX | Yes, actually, my proof is wrong. But maybe it is now not too difficult to find a counter example. | |
| Jan 23, 2015 at 14:33 | comment | added | Eric Wofsey | It is not necessarily the case that $e(\downarrow \alpha)=\downarrow e(\alpha)$; only $\subseteq$ holds in general. If instead of $e(s_i)$ and $e(t_j)$ you mean things like $\downarrow e(\alpha)$, then they will still cover $Q$ and you get two disjoint open sets in $Q$, but you can't be sure that these sets contain $x'$ and $y'$. | |
| Jan 23, 2015 at 14:14 | history | edited | MikeTeX | CC BY-SA 3.0 |
added 18 characters in body
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| Jan 23, 2015 at 14:09 | history | answered | MikeTeX | CC BY-SA 3.0 |