Showing math.MGShow all
3 papers · 1 filter
math.MG2025
Spiderwebs on the Sphere and an Isoperimetric Theorem
Robert Connelly, Zhen Zhang
Here we present a rigidity result in a global (semi-global, homotopy) setting for a restrictive class of polytopes, those that can be inscribed in a unit sphere, with some addition…
math.MG2023
General position stresses
Robert Connelly, Steven J. Gortler, Louis Theran
Let be a graph with vertices, and be a target dimension. In this paper we study the set of rank matrices that are equilibrium stress matrices for at least one (…
math.MG2022
Universal Rigidity of Ladders on the line
Bryan Chen, Robert Connelly, Steven J. Gortler +2
In "Universal rigidity on the line, point orde" it is shown, answering a question of Jordán and Nguyen, that universal rigidity of a generic bar-joint framework in R^1 depends on m…