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math.AT2026
On small covers over Bier spheres
Suyoung Choi, Younghan Yoon, Seonghyeon Yu
The Bier sphere of a simplicial complex is defined as the deleted join of and its combinatorial Alexander dual. We focus on the class of Bier spheres of the skeleta of a si…
math.AT2024
Real toric manifolds associated with chordal nestohedra
Suyoung Choi, Younghan Yoon
This paper investigates the rational Betti numbers of real toric manifolds associated with chordal nestohedra. We consider the poset topology of a specific poset induced from a cho…