Note on Wigner's Theorem on Symmetry Operations
Abstract
Wigner's theorem states that a symmetry operation of a quantum system is induced by a unitary or an antiunitary transformation. This note presents a detailed proof which closely follows Wigner's original exposition.
 Publication:

Journal of Mathematical Physics
 Pub Date:
 July 1964
 DOI:
 10.1063/1.1704188
 Bibcode:
 1964JMP.....5..862B