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Questions taking place in the category of locales, which is given by the opposite of the category of frames. Also appropriate for questions about pointless topology.

6 votes

Localic or topos-theoretic definition of $\operatorname{Spec}$

You might be interested in Cole's theory of spectrum. Besides the references given on that nlab page (which include several related theoretical frameworks, such as Lurie's theory of structured infinit …
godelian's user avatar
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11 votes
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Every Grothendieck topos can be built from localic topoi

The groupoid representation of Joyal and Tierney may be identified with the truncated simplicial diagram appearing in the statement of Theorem 2 of the Lurie notes mentioned in the question. That is, …
Tim Campion's user avatar
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