Homotopy-coherent algebra via Segal conditions

نویسندگان

چکیده

Many homotopy-coherent algebraic structures can be described by Segal-type limit conditions determined an “algebraic pattern”, which we mean ?-category equipped with a factorization system and collection of “elementary” objects. Examples that occur as such “Segal O-spaces” for pattern O include ?-categories, (?,n)-categories, ?-operads (including symmetric, non-symmetric, cyclic, modular ones), ?-properads, algebras (symmetric) ?-operad in spaces. In the first part this paper set up general framework patterns their associated Segal objects, including under latter are preserved left right Kan extensions. particular, obtain necessary sufficient on free O-spaces to explicit colimit formula, case say is “extendable”. second explore relationship between extendable polynomial monads, cartesian monads presheaf ?-categories accessible preserve weakly contractible limits. We show O-space monad always polynomial. Next, prove ?-categorical version Weber's Nerve Theorem use define canonical from any monad, whose spaces equivalent monad. These constructions yield functors patterns, these exhibit full subcategories “saturated” “complete” localizations, moreover restrict equivalence saturated complete monads.

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ژورنال

عنوان ژورنال: Advances in Mathematics

سال: 2021

ISSN: ['1857-8365', '1857-8438']

DOI: https://doi.org/10.1016/j.aim.2021.107733