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9 votes
3 answers
911 views

Decomposing a (co)limit by decomposing the indexing diagram

Let $D: I \to \mathcal C$ be a diagram, and suppose we have a colimit decomposition $I = \varinjlim_{j \in J} I_j$ in $Cat$. Then under certain conditions, we can decompose the colimit of $D$ as $\...
Tim Campion's user avatar
  • 63.9k
6 votes
1 answer
315 views

Commuting homotopy colimits and arbitrary products in spaces

Let $X : D \rightarrow Spc$ be a diagram with values in the $\infty$-category of spaces and $I$ some (discrete) set, not necessarily finite. ($D$ can be a 1-category if that makes statements easier, ...
Georg Lehner's user avatar
  • 2,303
3 votes
1 answer
276 views

Question about the proof of Kerodon tag 030V (Proposition 7.3.7.1)

$\require{AMScd}$ Related to this, I have a question about the proof given in Kerodon of the following result: Proposition 7.3.7.1: Let $C$ be an $\infty$-category, let $\bar{F} : C^\rhd \to D$ be a ...
daniel gratzer's user avatar