Name: Sun Qing-Feng Date: 08/13/17-08:46:30 AM Z
Hi Vladyslav, please check this bug on FC9.2.0 stable version
ScalarProduct[p, p] = (mb + mc)^2;
FV[p, \[Mu]] FV[p, \[Nu]] MT[\[Mu], \[Nu]] // Contract
and the output is mb^2+mc^2 ?
Many thanks.