Classroom assignment for problem sessions
Indira Chatterji – Median spaces – Exercise1, Exercise2
Bruno Duchesne – Dendrites – Lecture1, Lecture2, Lecture3 and exercises
Mark Hagen – CAT(0) Cube Complexes – Lecture notes and exercises
Arnaud Hilion – R-tress – Lecture1, Lecture2, Lecture3 (by Radhika Gupta) Exercise1 (by Stav Berman)
Michah Sageev – Bass-Serre Theory – Exercises (by Stav Berman)