Setting the global variable $FCT to True changes the default typesetting rules for the noncommutative multiplication operator Dot[].
![[Graphics:Images/index_gr_1.gif]](Images/index_gr_1.gif)
![[Graphics:Images/index_gr_2.gif]](Images/index_gr_2.gif)
![[Graphics:Images/index_gr_3.gif]](Images/index_gr_3.gif){kind=small}
![[Graphics:Images/index_gr_4.gif]](Images/index_gr_4.gif)
![[Graphics:Images/index_gr_5.gif]](Images/index_gr_5.gif)
Zeta2
$LorentzIndices![[Graphics:Images/index_gr_6.gif]](Images/index_gr_6.gif){kind=small}