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For questions involving one or more categorical dimensions, or involving homotopy coherent categorical structures.

5 votes
1 answer
442 views

Monomorphisms in $\mathcal{C}\!at_\infty$

I'm trying to work through what the $(-1)$-truncated morphisms are in $\def\Catinf{\mathcal{C}\!at_\infty} \Catinf$. BLUF: The correct characterization is that $F : C \to D$ is a (-1)-truncated ma …
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