Op\({}^*\) and \(C^*\) dynamical systems. II. Structural differences: Borchers anomaly
difference between the vacuum structures of \(Op^ *\)- and \(C^ *\)- dynamical systems
infinite vacuum degeneracy in irreducible \(Op^ *\)- systems
unbounded commutants of \(Op^ *\) operators
conditions for absence of the Borchers anomaly
scientific article; zbMATH DE number 4192480
scientific article