let 's assume we have a self-adjoint operator whose trace is known
$ \mathrm{Tr}(sT)= g(s) $ for a known function $ g(s) $.
My quesiton is, can we recover the operator simply by knowing the trace ?
let 's assume we have a self-adjoint operator whose trace is known
$ \mathrm{Tr}(sT)= g(s) $ for a known function $ g(s) $.
My quesiton is, can we recover the operator simply by knowing the trace ?