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math.CO2021
When is a planar rod configuration infinitesimally rigid?
Signe Lundqvist, Klara Stokes, Lars-Daniel Öhman
We provide a way of determining the infinitesimal rigidity of rod configurations realizing a rank two incidence geometry in the Euclidean plane. We model each rod with a cone over…
math.CO2021
Exploring the infinitesimal rigidity of planar configurations of points and rods
Signe Lundqvist, Klara Stokes, Lars-Daniel Öhman
This article is concerned with the rigidity properties of geometric realizations of incidence geometries of rank two as points and lines in the Euclidean plane; we care about the d…