I think I want to refresh my Quantum Mechanics skills.I have a text book "The mathematics of Quantum Mechanics" that I am tempted to go over. Its been a few years since I did any QM seriously and I think I lost some of my understanding.
@freemo Do you have a link to the book? I might want a valid excuse to review QM, and extend into quantum electrodynamics, but I'd be aiming for specific examples.