Hi all,
I need to construct the Casimir op. of group SU(3).
I have these relations;
T2=\sum C_{i}_{j}T_{i}T_{j} i,j=1,2...,8 ...eq1
[Ti , Tj]= \sum f_{i,j,k} T_{k} ...eq2
[T2 , Ti]=[\sum C_{i}_{j}T_{i}T_{j} , Ts]=\sum C_{i}_{j}T_{i}[T_{j}, T_{s}] + \sum C_{i}_{j}[T_{i}...