Principles of Quantum Mechanics · Problem 1.6.2

Mathematical Introduction — R. Shankar

Physics — Quantum Mechanics · hermitian-anti-hermitian-unitary-operators

Problem

Given

\Omega

and

\Lambda

are Hermitian what can you say about (1)

\Omega\Lambda

; (2)

\Omega\Lambda + \Lambda\Omega

; (3)

[\Omega, \Lambda]

; and (4)

i[\Omega, \Lambda]