4 Apr
2013
4 Apr
'13
11:41 a.m.
aha! more generally, is it impossible to build a K_5 whose edge lengths are sqrt(integer)s? Cris On Apr 3, 2013, at 11:06 PM, Warren D Smith wrote:
Every distance between two points of the eq.tri. lattice is sqrt(integer) and obviously the ratio of two such, cannot be phi, since it must be sqrt(rational) and phi^2=phi+1=irrational.
Cristopher Moore Professor, Santa Fe Institute