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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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
Keywords
- Higher differential objects
- Wakamatsu tilting subcategories
- G ω-projective modules
- support τ-tilting modules
- τ m-selfinjective algebras
- precluster tilting subcategories