Tuesday, May 4, 2021
![Fields Institute](/combinatorics-and-optimization/sites/default/files/uploads/images/fields.png)
Both events are part of a Thematic Program at the Fields Institute (Toronto) on Geometric Constraint Systems, Framework Rigidity, and Distance Geometry. The program runs from January 1 to June 30, 2021. Henry is also a co-organizer of the thematic program.