Generic projective rigidity conjecture for convex polytopes
Generic projective rigidity conjecture for convex polytopes
Let be a convex polytope of dimension . A projective transformation is generic when it avoids the exceptional algebraic conditions relevant to the rigidity property. Generic projective rigidity conjecture. A generic projective transformation of is (first-order) rigid. This proposed approach is motivated by the fact that the known flexible polytopes have parallel edges, whereas a generic projective transformation has no parallel edges. Whether this implication yields rigidity in all dimensions is not established in the paper.
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Primary source
Matthias Himmelmann, Bernd Schulze and Martin Winter, “Rigidity of polytopes with edge length and coplanarity constraints”, arXiv:2505.00874 (2026).
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