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Finite domination and Novikov homology over strongly ℤ-graded rings

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Abstract

Let L be a unital Z-graded ring, and let C be a bounded chain complex of finitely generated L-modules. We give a homological characterisation of when C is homotopy equivalent to a bounded complex of finitely generated projective L 0-modules, generalising known results for twisted Laurent polynomial rings. The crucial hypothesis is that L is a strongly graded ring.

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Correspondence to Thomas Hüttemann.

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Hüttemann, T., Steers, L. Finite domination and Novikov homology over strongly ℤ-graded rings. Isr. J. Math. 221, 661–685 (2017). https://doi.org/10.1007/s11856-017-1569-9

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  • DOI: https://doi.org/10.1007/s11856-017-1569-9

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