From the paper, we use the expressions for the zeros of the discriminat to define the following two functions:
![[Graphics:../Images/templator_gr_46.gif]](../Images/templator_gr_46.gif)
![[Graphics:../Images/templator_gr_47.gif]](../Images/templator_gr_47.gif)
![[Graphics:../Images/templator_gr_48.gif]](../Images/templator_gr_48.gif)
![[Graphics:../Images/templator_gr_49.gif]](../Images/templator_gr_49.gif)
![[Graphics:../Images/templator_gr_50.gif]](../Images/templator_gr_50.gif)
![[Graphics:../Images/templator_gr_51.gif]](../Images/templator_gr_51.gif)