I assume you're talking about this: http://www.wm.uni-bayreuth.de/fileadmin/Sascha/Publikationen2/rare.pdf which as far as I know is still the state of the art: a heptagon with all integer distances. --Joshua On Fri, May 14, 2010 at 9:27 PM, Bill Gosper <billgosper@gmail.com> wrote:
http://gosper.org/Inverted%20Sierpinski%20Triangle%20thick.png some triangles are biconvex and some biconcave, and some hard to tell. Are there any straight arcs? --rwg
Apropos lines and circles, Tatiana Shubin requests the status of the restricted Anning's(?)
problem: How many points can lie in a plane with no three in a line nor four in a circle? Last she heard, it was up to 7 or 8. _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun