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19 votes
1 answer
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What would be an infinity-groupoid analogue of the duality between sets and complete atomic ...

Consider the object classifier of the $\infty$-topos of $\infty$-groupoids. For the role it plays in homotopy type theory as the type of types, let’s denote it as $Type = \coprod_{[F]} B Aut(F)$, the …
David Corfield's user avatar
9 votes
1 answer
1k views

Cohesion relative to a pyknotic/condensed base

Something that usefully emerged for me from this discussion and follow-up MO question is that rather than see cohesiveness and condensedness/pyknoticity in rivalry with one another, as my initial titl …
David Corfield's user avatar