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A remark on fibrancy of ($\mbox{A$_{\infty}$Cat}$,$W^{\tiny\mbox{A}_{\infty}}_{\tiny\mbox{qe}}$)

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arxiv 2412.13347 v1 pith:HUOBIKUD submitted 2024-12-17 math.CT

classification math.CT
keywords inftymboxtinyfunctorstrictlyunitalalonganswer
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abstract

In this note we prove the existence, in the category of (strictly unital) A$_{\infty}$categories, of the pullback of a (strictly unital) A$_{\infty}$functor, satisfying a particular property (denoted by F1), along any A$_{\infty}$functor. As a consequence we provide a positive answer to Pascaleff's question whether (A$_{\infty}$Cat,$W^{\tiny\mbox{A}_{\infty}}_{\tiny\mbox{qe}}$) is a fibrant object in RelCat.

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  1. A model structure on the category of A$_\infty$-categories with strict morphisms

    math.CT 2025-06 conditional novelty 6.0 of 10

    The category of strictly unital A∞-categories with strict morphisms admits a cofibrantly generated model structure with quasi-equivalences as weak equivalences.

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