Hey guys,
maybe you can help me with the following problem. I have to calculate the commutator relations in position representation:
a) [V,ρ]
b) [p,ρ]
c) [p^2,ρ]
Note that <q'|ρ|q>=ρ(q',q) is a matrix element of the density operator
I already solved the first one. You just have to...