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On the Structure of Polyhedral Products (2007.12812v1)

Published 25 Jul 2020 in math.AT

Abstract: In this thesis, we study the structure of the polyhedral product $\mathcal{Z}{\mathcal{K}}(D1,S0)$ determined by an abstract simplicial complex ${\mathcal{K}}$ and the pair $(D1,S0)$. We showed that there is natural embedding of the hypercube graph in $\mathcal{Z}{\mathcal{K}n}(D1,S0)$ where ${\mathcal{K}}_n$ is the boundary of an $n$-gon. This also provides a new proof of a known theorem about genus of the hypercube graph. We give a description of the invertible natural transformations of the polyhedral product functor. Then, we study the action of the cyclic group $\mathbb{Z}_n$ on the space $\mathcal{Z}{\mathcal{K}n}(D1,S0)$. This action determines a $\mathbb{Z}[\mathbb{Z}_n]$-module structure of the homology group $H*(\mathcal{Z}{\mathcal{K}_n}(D1,S0))$. We also study the Leray-Serre spectral sequence associated to the homotopy orbit space $E\mathbb{Z}_n\times{\mathbb{Z}n} \mathcal{Z}{\mathcal{K}_n}(D1,S0)$.

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