Place: Room 614 in the Education & Sciences Building Time: 14:00                                                    Abstract: Bounded harmonic functions on groups are closely related to random walks on groups. It has long been known that all virtually nilpotent groups are “Choquet-Deny groups”: these groups cannot support … Continue reading Colloquium: Tuesday, January 28, 2020. Speaker: Yair Hartman (BGU). Title: “Which groups have bounded harmonic functions?”.