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Homological Transfer between Additive Categories and Higher Differential Additive Categories

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Abstract

Given an additive category \({\cal C}\) and an integer n ≥ 2. The higher differential additive category consists of objects X in \({\cal C}\) equipped with an endomorphism ϵX satisfying \(\epsilon_X^n = 0\). Let R be a finite-dimensional basic algebra over an algebraically closed field and T the augmenting functor from the category of finitely generated left R-modules to that of finitely generated left R/(tn)-modules. It is proved that a finitely generated left R-module M is τ-rigid (respectively, (support) τ-tilting, almost complete τ-tilting) if and only if so is T(M)as a left R[t]/(tn)-module. Moreover, R is τm-selfinjective if and only if so is R[t]/(tn).

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Acknowledgements

We thank the referees for their time and comments.

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Correspondence to Zhao Yong Huang.

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Conflict of Interest The authors declare no conflict of interest.

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Supported by NSFC (Grant Nos. 12371038, 11971225, 12171207, 12061026) and NSF of Guangxi Province of China (Grant No. 2020GXNSFAA159120)

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Tang, X., Huang, Z.Y. Homological Transfer between Additive Categories and Higher Differential Additive Categories. Acta. Math. Sin.-English Ser. (2023). https://doi.org/10.1007/s10114-023-2193-8

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  • DOI: https://doi.org/10.1007/s10114-023-2193-8

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