Let be an abelian countable discrete group. A measure-preserving -system (or -system for short) is a probability space , equipped with a measure-preserving action of the group , thus for all and , and… more →
What's newwrote 2 years ago: Let be an abelian countable discrete group. A measure-preserving -system (or -system for short) is a … more →
wrote 5 years ago: In the previous lecture, we studied the recurrence properties of compact systems, which are systems … more →