English

On one-parameter Koopman groups

Dynamical Systems 2016-01-06 v1 Functional Analysis

Abstract

We characterize Koopman one-parameter C0C_0-groups in the class of all unitary one-parameter C0C_0-groups on L2(X)L_2(X) as those that preserve L(X)L_\infty(X) and for which the infinitesimal generator is a derivation on the bounded functions in its domain.

Cite

@article{arxiv.1504.06008,
  title  = {On one-parameter Koopman groups},
  author = {A. F. M. ter Elst and M. Lemanczyk},
  journal= {arXiv preprint arXiv:1504.06008},
  year   = {2016}
}
R2 v1 2026-06-22T09:20:56.766Z