Name: Ivan Petrov 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