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On The Evans Chain Complex (2407.06065v1)

Published 8 Jul 2024 in math.OA

Abstract: 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. These block matrices are then used to identify a wide family of higher-rank graph $C*$-algebras with trivial K-theory. Additionally, in the specialized case where the higher-rank graph consists of one vertex, we are able to use the K\"unneth theorem to explicitly compute the homology groups of the Evans chain complex.

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