Timeline for Surfaces that can be rolled by a ball
Current License: CC BY-SA 3.0
2 events
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| Sep 23, 2012 at 13:31 | comment | added | Joseph O'Rourke | @Alexandre: You (and Ben Crowell) are correct, in that rolling plays no role, even though that was my original motivation: to "paint" the surface with a rolling "paint ball." And $r$-convexity is a nice viewpoint, because of course if $r \rightarrow \infty$, $S$ must be convex. | |
| Sep 23, 2012 at 3:48 | history | answered | Alexandre Eremenko | CC BY-SA 3.0 |