Conjecture on local Rupertness of trapezohedra and reverse Rupertness of antiprisms
Conjecture on local Rupertness of trapezohedra and reverse Rupertness of antiprisms
A polyhedron is locally Rupert if it admits a Rupert passage after an arbitrarily small alteration of a suitable orientation, and locally reverse Rupert is the analogous reverse-passage property. A trapezoidal polygonal section is a section of a polyhedron that is a trapezohedron's defining polygonal section, while an antiprism section is a section with antiprism structure. Local trapezohedron–antiprism conjecture. Trapezohedra are locally Rupert and antiprisms are locally reverse Rupert. Furthermore, there are bootstrap lemmas for these infinite classes showing that every polyhedron with a trapezoidal polygonal section is locally Rupert and every polyhedron with an antiprism section is locally reverse Rupert. The conjecture is presented as further work: the required local results and bootstrap lemmas are not established in the paper, although the Cube and Octahedron provide motivating examples.
Sources & referencesView supporting material
Primary source
Evan Scott, “Two Sufficient Conditions for a Polyhedron to be (Locally) Rupert”, arXiv:2208.12912 (2022).
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