S. Lippert

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math.OA2026

Nuclear Dimension and Rigidity Results for Virtually Abelian Groups

Frankie Chan, S. Joseph Lippert, Iason Moutzouris +1

Let $G$ be a finitely generated virtually abelian group. We show that the Hirsch length, $h (G)$ , is equal to the nuclear dimension of its group $C^{*}$ -algebra, $dim_{n u c} (C^{*} (G))$ .…

math.OA2024

On The Evans Chain Complex

S. Joseph Lippert

We elaborate on the construction of the Evans chain complex for higher-rank graph $C^{*}$ -algebras. Specifically, we introduce a block matrix presentation of the differential maps. T…