Well-known to those who know it. On Thu, Oct 2, 2014 at 12:36 PM, Warren D Smith <warren.wds@gmail.com> wrote:

There is a well known theory of distance regular graphs and their embeddings with points on D dimensional spheres via eigenvectors of their matrices. So you can just use it and all your sphere/Fano questions are done with.

_______________________________________________ math-fun mailing list math-fun@mailman.xmission.com https://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun

-- Mike Stay - metaweta@gmail.com http://www.cs.auckland.ac.nz/~mike http://reperiendi.wordpress.com