Timeline for Number of subgroups in a Bieberbach group.
Current License: CC BY-SA 2.5
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 19, 2010 at 19:22 | vote | accept | CommunityBot | ||
| Feb 2, 2010 at 22:14 | comment | added | Dmitri Panov | Nina, thanks a lot for the answer! I never heard about Erdos problem, it is really cute! | |
| Feb 2, 2010 at 18:30 | history | answered | Nina Lebedeva | CC BY-SA 2.5 |