Home › Events › Logic Seminar: C. Ward Henson - University of Illinois at Urbana-Champaign Logic Seminar: C. Ward Henson - University of Illinois at Urbana-Champaign Time: Tue Nov 5, 2019, 2:00 pm - 3:00 pm Location: 125 Hayes-Healy Bldg Title: Model theory of R-trees and of ultrametric spaces Poster