Kalai's conjecture on recovering lower affine-stress spaces

Let 1j<id/21\leq j<i\leq d/2, and let PP be a simplicial dd-polytope whose boundary complex has no missing faces of dimension at least di+1d-i+1. Write Ska(P)\mathcal S^a_k(P) for the space of affine kk-stresses of PP.

Kalai's lower-stress reconstruction conjecture. The space Sia(P)\mathcal S^a_i(P) determines the space Sja(P)\mathcal S^a_j(P).

The conjecture proposes that higher affine stresses contain enough information to recover all lower stress spaces under a no-large-missing-faces hypothesis. The source gives no resolution.

Sources & referencesView supporting material

Primary source

Isabella Novik and Hailun Zheng, “Affine stresses: the partition of unity and Kalai's reconstruction conjectures”, arXiv:2208.06693 (2024).

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