Toric g-vector Kruskal–Katona conjecture for simple polytopes
Toric g-vector Kruskal–Katona conjecture for simple polytopes
Let be a simple polytope, and let and denote its -vector entries and toric -vector entries, respectively. Toric g-vector Kruskal–Katona conjecture. If the -vector entries of satisfy the Kruskal–Katona inequalities, then the toric -vector entries of satisfy the Kruskal–Katona inequalities as well. This would extend the known relationship between toric -polynomials and face numbers of simplicial complexes beyond the cube, and is suggested by results on -vectors of simple polytopes.
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Primary source
Richard Ehrenborg, Gábor Hetyei and Margaret Readdy, “Parking trees and the toric g-vector of nestohedra”, arXiv:2511.04815 (2026).
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