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arxiv: 2606.09398 · v1 · pith:VLEAEDASnew · submitted 2026-06-08 · 🧮 math.CT · math.AC· math.AG

Colocalizing subcategories on differentially graded algebras

classification 🧮 math.CT math.ACmath.AG
keywords subcategoriescolocalizingdg-modulesgradedmathbfringalgebraalgebras
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Let $A$ be a bounded non positive commutative differential graded algebra $A$. Let $\mathbf{D}(A)$ its derived category of DG-modules. If $\mathbf{D}(A)$ is generated by the DG-modules corresponding to the residue fields of the ordinary ring $H^0(A)$ then its localizing subcategories and its colocalizing subcategories are in bijection with the subsets of $\textrm{Spec}(H^0(A))$. These results generalize well-known theorems by A. Neeman (from 1992 and 2011, respectively), because any Noetherian ring satisfies this condition.

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