Timeline for Separation axioms
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Jan 28, 2012 at 6:14 | comment | added | Henno Brandsma | Wilansky introduced KC (all compact sets are closed) and US (every convergent sequence has a unique limit) in the paper "between T1 and T2", American mathematical monthly, 74(1967), 261-264. We then have $T_2$ implies KC implies US implies $T_1$, and all implications cannot be reversed in general. | |
| Jan 27, 2012 at 16:32 | history | edited | Timothy Chow | CC BY-SA 3.0 |
Added clarification to last sentence
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| Jan 27, 2012 at 16:25 | history | answered | Timothy Chow | CC BY-SA 3.0 |