Timeline for How expensive is knowledge? Knots, Links, 3 and 4-manifold algorithms.
Current License: CC BY-SA 2.5
1 event
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 18, 2010 at 13:09 | history | answered | Joseph O'Rourke | CC BY-SA 2.5 |