30 Jun
2012
30 Jun
'12
5:03 a.m.
On 6/30/12, Henry Baker <hbaker1@pipeline.com> wrote:
Matrix III isn't real. a,b,c are the side _vectors_ as complex numbers.
Fair point --- but in fact, the relevant theorem states that a triangle (simplex) with rational coordinates and edge-lengths which square to integers is embeddable with integer coordinates, so the Heronian label still holds good. WFL