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betti numbers 1bier spheres 1davis-januszkiewicz equivalence 1polytopal spheres 1simplicial complexes 1small covers 1

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math.AT2026

On small covers over Bier spheres

Suyoung Choi, Younghan Yoon, Seonghyeon Yu

The paper classifies real toric manifolds (small covers) over Bier spheres that arise from the skeleta of a simplex, determines their homeomorphism types for certain skeleta, and c…