The homotopy Barr–Beck conjecture for DG-categories

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Let A1A_1 and A2A_2 be DG-categories, and let FF and GG be a pair of homotopy adjoint functors between them. Let TT denote the homotopy monad induced by the composite of the adjunction data, and let TT-hoMod⁡(A1)\operatorname{hoMod}(A_1) be the DG-category of strong homotopy modules over TT in A1A_1. Homotopy Barr–Beck conjecture. Under certain assumptions, the DG-categories TT-hoMod⁡(A1)\operatorname{hoMod}(A_1) and A2A_2 are quasi-equivalent. This is intended as a DG-categorical analogue of the Barr–Beck theorem, which identifies a category with the category of modules over the monad induced by an adjunction. The source states the result only under unspecified assumptions, and no resolution status is given.

References

Primary source

Sergey Arkhipov and Tina Kanstrup, “Colored DG-operads and homotopy adjunction for DG-categories”, arXiv:1806.10103 (2018).

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