Enhancing the filtered derived category

Owen Gwilliam, Dmitri Pavlov

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The filtered derived category of an abelian category has played a useful role in subjects including geometric representation theory, mixed Hodge modules, and the theory of motives. We develop a natural generalization using current methods of homotopical algebra, in the formalisms of stable ∞-categories, stable model categories, and pretriangulated, idempotent-complete dg categories. We characterize the filtered stable ∞-category Fil(C) of a stable ∞-category C as the left exact localization of sequences in C along the ∞-categorical version of completion (and prove analogous model and dg category statements). We also spell out how these constructions interact with spectral sequences and monoidal structures. As examples of this machinery, we construct a stable model category of filtered D-modules and develop the rudiments of a theory of filtered operads and filtered algebras over operads. This paper is also available at arXiv:1602.01515v3.

Original languageEnglish
Pages (from-to)3621-3674
Number of pages54
JournalJournal of Pure and Applied Algebra
Volume222
Issue number11
DOIs
StatePublished - Nov 2018

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