Name: Rolf Mertig (email_not_shown)
Date: 02/04/05-02:37:18 PM Z

Hi Alessandro,
yes, there is right now a problem with the
trace function (I am working on it right now).
You can easily work around it like this:

tr = TR[Calc[#]]&;

tr[Calc[(P2 + m).(al - be).(P1 + m)]] // Factor2 // FCE // InputForm


8*(SP[a, p2]*SP[p1, pp] - SP[a, p1]*SP[p2, pp])


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