KnowraWigner's theoremLinked fromLinked fromThe 3 pages that link to Wigner's theorem, each with the reason it gives.All 3Broader topic 1Related 2Eugene WignerBroader topic: It formalizes how physical symmetries act on quantum states.Kramers' theoremRelated: It explains why time reversal is represented antiunitarily in quantum mechanics.Symmetry in quantum mechanicsRelated: It establishes the operator forms available for quantum symmetries.