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On Monday, September 24, 2012 1:29:24 PM UTC-7, John Cremona wrote:For "simple" graphs, the adjaceny matrix will be symmetric, so the
> Does anyone know why QQbar is being used here?
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
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