`BookProof.ChapterTimeTranslation.trace_rho_measOp` (U : Matrix (Fin n) (Fin n) ℂ) (a : Fin n) (Ψ : Fin n → ℂ) : (rho Ψ * measOp U a).trace = (∑ k : Fin n, (starRingEnd ℂ) (U k a)

Initializing...

`BookProof.ChapterTimeTranslation.trace_rho_measOp` (U : Matrix (Fin n) (Fin n) ℂ) (a : Fin n) (Ψ : Fin n → ℂ) : (rho Ψ * measOp U a).trace = (∑ k : Fin n, (starRingEnd ℂ) (U k a) · Prove2Me