Tom Meyerovich

Entropy" is a key notion in the study in of dynamical systems. This quantity reflects the "uncertainty", or "randomness" of a system. Subshifts are topological dynamical systems whose elements are sequences over a given finite alphabet. A translation...

I will discuss results and open problems about harmonic functions for finitely generated groups, with an emphasis on polynomial vs. super-polynomial growth. By "polynomial growth" I am implying to at least two different notions: 1. The volume growth...