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Sergey Arkhipov

Homotopy limits in the category of dg-categories in terms of $\mathrm{A}_{\infty}$-comodules

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@techreport{80c44997c1e847d8a9c4dbe32d16fb28,
title = "Homotopy limits in the category of dg-categories in terms of $\mathrm{A}_{\infty}$-comodules",
abstract = " In this paper, we apply an explicit construction of a simplicial powering in dg-categories, due to Holstein (2016) and Arkhipov and Poliakova (2018), as well as our own results on homotopy ends (Arkhipov and {\O}rsted 2018), to obtain an explicit model for the homotopy limit of a cosimplicial system of dg-categories. We apply this to obtain a model for homotopy descent in terms of $\mathrm{A}_{\infty}$-comodules, proving a conjecture by Block, Holstein, and Wei (2017) in the process. ",
keywords = "math.CT",
author = "Sergey Arkhipov and Sebastian {\O}rsted",
note = "31 pages; updated a reference",
year = "2018",
month = dec,
day = "10",
language = "English",
series = "arXiv",
type = "WorkingPaper",

}

RIS

TY - UNPB

T1 - Homotopy limits in the category of dg-categories in terms of $\mathrm{A}_{\infty}$-comodules

AU - Arkhipov, Sergey

AU - Ørsted, Sebastian

N1 - 31 pages; updated a reference

PY - 2018/12/10

Y1 - 2018/12/10

N2 - In this paper, we apply an explicit construction of a simplicial powering in dg-categories, due to Holstein (2016) and Arkhipov and Poliakova (2018), as well as our own results on homotopy ends (Arkhipov and {\O}rsted 2018), to obtain an explicit model for the homotopy limit of a cosimplicial system of dg-categories. We apply this to obtain a model for homotopy descent in terms of $\mathrm{A}_{\infty}$-comodules, proving a conjecture by Block, Holstein, and Wei (2017) in the process.

AB - In this paper, we apply an explicit construction of a simplicial powering in dg-categories, due to Holstein (2016) and Arkhipov and Poliakova (2018), as well as our own results on homotopy ends (Arkhipov and {\O}rsted 2018), to obtain an explicit model for the homotopy limit of a cosimplicial system of dg-categories. We apply this to obtain a model for homotopy descent in terms of $\mathrm{A}_{\infty}$-comodules, proving a conjecture by Block, Holstein, and Wei (2017) in the process.

KW - math.CT

M3 - Working paper

T3 - arXiv

BT - Homotopy limits in the category of dg-categories in terms of $\mathrm{A}_{\infty}$-comodules

ER -