On Monday, September 24, 2012 1:29:24 PM UTC-7, John Cremona wrote: > > Does anyone know why QQbar is being used here? > For "simple" graphs, the adjaceny matrix will be symmetric, so the eigenvalues could go into AA instead of QQbar, but I would guess the problem (comparison with zero) might persist?
Where would you suggest they go? Right now, I think these are just eigenvalues of a matrix over QQ with those outside of QQ going into QQbar (iirc). Rob -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To post to this group, send email to sage-devel@googlegroups.com. To unsubscribe from this group, send email to sage-devel+unsubscr...@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel?hl=en.
