Timeline for Zorn's Lemma and plane geometry
Current License: CC BY-SA 2.5
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 18, 2010 at 7:37 | comment | added | Stefan Geschke | Thanks. I was at home and could not access MathSciNet. Didn't find it using google. | |
| Nov 18, 2010 at 2:57 | comment | added | Andrés E. Caicedo | Found it: Michael S. Payne, "Unit Distance Graphs with Ambiguous Chromatic Number", The Electronic Journal of Combinatorics, vol 16 (1), 2009. You can read the abstract and download it here: combinatorics.org/Volume_16/Abstracts/v16i1n31.html | |
| Nov 17, 2010 at 19:26 | comment | added | Andrés E. Caicedo | Hmm. I didn't know about this one. I'll have to look for it. | |
| Nov 17, 2010 at 19:25 | history | answered | Stefan Geschke | CC BY-SA 2.5 |