Timeline for How does deletion-contraction affect chromatic number? Can it increase chromatic number?
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 22, 2015 at 13:41 | vote | accept | user19906 | ||
| May 22, 2015 at 13:41 | comment | added | user19906 | Arghhh, you're right. | |
| May 22, 2015 at 13:21 | history | answered | Patrik | CC BY-SA 3.0 |