The workshop took place at the Lazaret in Sète, from May 15th to 18th. Funds were provided by the ANR AGIRA.

The workshop took place at the Lazaret in Sète, from May 15th to 18th. Funds were provided by the ANR AGIRA.

- Lecture 1: Invariant random subgroups in locally compact groups and Lie groups (Jean Raimbault)
- Lecture 2: Margulis normal subgroup theorem and Factor theorem (Jean Lécureux)
- Lectures 3,4,5: Proof of the Stück--Zimmer and Intermediate Factor theorems (Arie Levit)

- Introduction to the Neretin group, simplicity and absence of lattices (Bruno Duchesne)---only the notes from these lectures are recorded in the notes.
- A result of Thomas--Tucker-Drob on a discrete analogue of the open subgroup O (Jean Raimbault)
- Dynamics on the boundary (Adrien le Boudec)

- Lecture 1: Unimodular random graphs and the Mass Transport Principle
- Lecture 2: Unimodular random manifolds

- Lecture 1: Furstenberg entropy and continuity for intersectional IRS (Jean Lécureux)
- Lecture 2: Construction of intersectional IRSs in the free groups (Jean Raimbault)

- Ferenc Bencs: IRS's in groups acting on rooted trees
- Adrien le Boudec: Locally compact groups whose ergodic or minimal actions are all free
- Arie Levit: Critical exponents of invariant random subgroups in negative curvature
- Mikolaj Fraczyk: Convergence of arithmetic manifolds

From left to right:

- first row: Jérémie Brieussel, Mikael de la Salle, Jean Raimbault, Thomas Haettel, Nicolas Matte Bon, Sam Mellick;
- second row: Bruno Duchesne, Mikolaj Fraczyk, Paul Henry Leeman, Adrien le Boudec, Jean Lécureux, Corentin le Coz, Arie Levit, Ian Biringer, Laszlo Marton Toth, Ferenc Bencs.