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Aug 16, 2019 at 0:32 history edited David Roberts CC BY-SA 4.0
Added bibliographic reference
Aug 15, 2019 at 12:51 comment added Joseph O'Rourke @MartinSleziak: Thanks, Martin, for providing a correct link.
Aug 15, 2019 at 12:51 history edited Joseph O'Rourke CC BY-SA 4.0
deleted 4 characters in body
Aug 15, 2019 at 6:58 comment added Martin Sleziak I am not sure whether it's just me or whether the link is dead. In any case, this link seems to work. Here is also Wayback Machine link.
Jun 10, 2017 at 18:42 history edited Joseph O'Rourke CC BY-SA 3.0
Image links broken; now fixed.
Nov 15, 2012 at 9:47 vote accept Roland Bacher
Nov 15, 2012 at 9:47 vote accept Roland Bacher
Nov 15, 2012 at 9:47
Nov 14, 2012 at 17:39 comment added Pietro Majer actually this way we make a new angle (1−1/6)π...
Nov 14, 2012 at 14:55 comment added Roland Bacher Thank you. By the way, the configuration on $8$ points is easy: one can split the central point in Pietro Majer's example into two infinitesimally close points on a line parallel to a side of the initial triangle.
Nov 14, 2012 at 13:15 comment added Joseph O'Rourke @Roland: I added a link to the Erdős-Szekeres paper. Their proof is in Section 4, p.59 ff. I cannot pursue it myself at the moment; sorry.
Nov 14, 2012 at 13:13 history edited Joseph O'Rourke CC BY-SA 3.0
added 184 characters in body
Nov 14, 2012 at 12:44 comment added Roland Bacher How does the configuration of $8=2^3$ points without angles greater than $2/3\pi+\epsilon$ look like?
Nov 14, 2012 at 12:34 history answered Joseph O'Rourke CC BY-SA 3.0