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Gao, Jing-Wen; Yang, Xiao-Song
Topology and its applications, 03/2024, Letnik: 344Journal Article
We prove the Poincaré duality theorem for bi-cellular posets X, that is, both X and Xop are cellular, in terms of cap product for finite posets which will be introduced. Moreover, we show that our results include face posets of h-regular homology manifolds.
