Timeline for Refining topologies to make them Hausdorff
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 21, 2017 at 6:41 | vote | accept | Dominic van der Zypen | ||
| Sep 21, 2017 at 6:03 | comment | added | bof | @erz Seems to me any $\text T_1$ topology on $\mathbb N$ will be a refinement of your topology, e.g., a topology which is homeomorphic to the usual topology of $\mathbb Q,$ which is Hausdorff but not discrete. | |
| Sep 21, 2017 at 5:59 | answer | added | bof | timeline score: 12 | |
| Sep 21, 2017 at 5:58 | comment | added | erz | what if $X=\mathbb{N}$ and $\tau$ be the collection of sets of the form $\{n,n+1,...\}$? | |
| Sep 21, 2017 at 5:48 | history | asked | Dominic van der Zypen | CC BY-SA 3.0 |