28Dxx Measure-theoretic ergodic theory [See also 11K50, 11K55, 22D40, 37Axx, 47A35, 60Fxx, 60G10] 7529
28D05 Measure-preserving transformations {For measure-preserving transformations and dynamical systems, see 37A05} 4401
28D10 One-parameter continuous families of measure-preserving transformations {For dynamical systems aspect, see 37A10} 609
28D15 General groups of measure-preserving transformations {For dynamical systems aspects, see 37A15} 897