The Operadic Nerve, Relative Nerve, and the Grothendieck Construction
英文摘要：
We relate the relative nerve $\mathrm{N}_f(\mathcal{D})$ of a diagram of simplicial sets $f \colon \mathcal{D} \to \mathsf{sSet}$ with the Grothendieck construction $\mathsf{Gr} F$ of a simplicial functor $F \colon \mathcal{D} \to \mathsf{sCat}$ in the case where $f = \mathrm{N} F$. We further show that any strict monoidal simplicial category $\mathcal{C}$ gives rise to a functor $\mathcal{C}^\bullet \colon Δ^\mathrm{op} \to \mathsf{sCat}$, and that the relative nerve of $\mathrm{N} \mathcal{C}^\bullet$ is the operadic nerve $\mathrm{N}^\otimes(\mathcal{C})$. Finally, we show that all the above constructions commute with appropriately defined opposite functors.
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