Tanja I. Schindler (Jagiellonian University, Krakow) and Jon Aaronson (Tel Aviv University)

Zoom link: https://univ-lille-fr.zoom.us/j/96002540652?pwd=OG9HM3VyOENkVGxRZnNmYzYwVWZQUT09

Speaker: Tanja I. Schindler (Jagiellonian University, Krakow)

Title: Properties and limit laws of dynamical systems with two infinite components

Abstract: While studying dynamical systems with one infinite component, i.e. a probability preserving dynamical system and a non-integrable observable or an infinite measure preserving dynamical system with an integrable observable still has a lot of interesting questions - it is interesting to study systems with more than one infinite component. An example would be an infinite measure system with an observable which is not integrable on a finite measure set. Another example would be a dynamical system with two dynamically separated infinite measure sets A and B; i.e. orbits have to pass through a finite measure set Y in order to pass from A to B and vice versa. I will show some (completely incomplete list of) examples where one of the above described behaviours occur. This is a somewhat expository talk including joint work with Claudio Bonanno and Muhammad Mubarak.

Speaker: Jon Aaronson (Tel Aviv University)

Title: Open problems in Infinite Ergodic Theory

Abstract: tba

Time and location: Wed, 05 Jun 2024 16:00:00 UTC - TBA
Zoom link: https://univ-lille-fr.zoom.us/j/96002540652?pwd=OG9HM3VyOENkVGxRZnNmYzYwVWZQUT09
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