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when toggle format what by license comment
May 2, 2018 at 20:36 history edited j.c. CC BY-SA 4.0
fix broken image link
Mar 10, 2017 at 9:42 history edited CommunityBot
replaced http://www.getlineoff.com/ with https://www.getlineoff.com/
May 11, 2014 at 0:04 history edited Joseph O'Rourke CC BY-SA 3.0
A renewed call... :-)
Jun 1, 2013 at 17:45 answer added Qfwfq timeline score: 3
Jun 1, 2013 at 16:58 answer added Daniel Moskovich timeline score: 6
Jun 1, 2013 at 15:13 comment added Ryan Budney Consider all rotations of the curve in $\mathbb R^3$ and all linear planar projections. Take the minimum of the number of crossings over all such projections. What do you think of that?
Jun 1, 2013 at 15:10 answer added j.c. timeline score: 6
Jun 1, 2013 at 15:01 history asked Joseph O'Rourke CC BY-SA 3.0