To (re?)investigate: Noether's theorem
Penrose's distinction between U (unitary transforms; deterministic and linear) and R (reductive transforms; in?deterministic and non-linear, due to squaring of Ψ to calculate probabilities) in QM emperors-new-mind
Bibliography
emperors-new-mind Penrose, Roger. 1999. The Emperor's New Mind: Concerning Computers, Minds, and the Laws of Physics. Oxford University Press. ↩︎ 1