Browsing by Subject "W*-dynamical systems"

Browsing by Subject "W*-dynamical systems"

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  • Ergodicity and mixing of W*-dynamical systems in terms of joinings 
    Duvenhage, Rocco de Villiers (Department of Mathematics, University of Illinois, 2011)
    We study characterizations of ergodicity, weak mixing and strong mixing of W*-dynamical systems in terms of joinings and subsystems of such systems. Ergodic joinings and Ornstein’s criterion for strong mixing are also ...
  • Relative discrete spectrum of W*-dynamical system 
    Duvenhage, Rocco de Villiers; King, Malcolm (Springer, 2021-01)
    A definition of relative discrete spectrum of noncommutative W*-dynamical systems is given in terms of the basic construction of von Neumann algebras, motivated from three perspectives: First, as a complementary concept ...
  • Relatively independent joinings and subsystems of W*-dynamical systems 
    Duvenhage, Rocco de Villiers (Polskiej Akademii Nauk, Instytut Matematyczny, 2012)
    Relatively independent joinings ofW*-dynamical systems are constructed. This is intimately related to subsystems of W*-dynamical systems, and therefore we also study general properties of subsystems, in particular fixed ...