Name: Ivan Petrov (email_not_shown)
Date: 07/09/06-04:00:23 PM Z

Hello,

It seems there is a problem with Tr (I use a new distribution (beta)):

QGV-quark-gluon vertex

Tr[QGV[\mu, a].QGV[\nu, b]] // Calc
simply returns GA[\mu].GA[\nu] SUNT[a]SUNT[b]. (The trace is NOT evaluated, simply

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