Dynamical systems and Ergodic theory group

Applied Probability, Combinatorial Optimization, Number Theory.

Geometric groups theory, Locally compact groups and their lattices, Invariant random subgroups, Permutation groups, Expanding graphs.

Ergodic theory and dynamical systems,  in particular symbolic dynamics and related aspects of probability theory. 

Geometric Group theory, Expander graphs and High Dimensional Expanders, Coarse geometry

Discrete Geometry, Combinatorics, Dynamical Systems, Ergodic Theory, Diophantine Approximations, Computational Geometry