Hopf's Ergodic Theorem for Particles with Different Velocities and the 'Strong Sweeping out Property'

Autor: A. P. Calderón, Ulrich Krengel, Alexandra Bellow
Rok vydání: 1995
Předmět:
Zdroj: Canadian Mathematical Bulletin. 38:11-15
ISSN: 1496-4287
0008-4395
DOI: 10.4153/cmb-1995-002-0
Popis: In an earlier paper we provided a counterexample to an old conjecture of Hopf. In this note we show that the "strong sweeping out property" obtains for the Hopf operators (Tt) both when t —> +∞ and when t —> 0+, that is a.e. convergence fails in the worst possible way.
Databáze: OpenAIRE