Timeline for Can every $\mathbb{Z}^2$ disk be pinball-reached?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
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| Aug 5, 2017 at 11:53 | history | edited | Joseph O'Rourke | CC BY-SA 3.0 |
Image link broken; now fixed.
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| Apr 28, 2013 at 0:20 | history | answered | Joseph O'Rourke | CC BY-SA 3.0 |