1301.7712 (K. V. Antipin et al.)

Extension of von Neumann's uniqueness theorem to the theories with
non-physical particles    [PDF]

K. V. Antipin, M. N. Mnatsakanova, Yu. S. Vernov

Von Neumann's uniqueness theorem is extended to a special class of canonical commutation relations, namely the anti-Fock representations, which are realized on a Krein space.

View original: http://arxiv.org/abs/1301.7712