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Results tagged with stacks
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user 502765
In mathematics a stack or 2-sheaf is a sheaf that takes values in categories rather than sets.
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Grothendieck construction on fibred categories/stacks
The category $\operatorname{Stack}_{\mathcal C}$ of stacks in groupoids over $\mathcal C$ is a subcategory. By a result of Street, $\operatorname{Stack}_{\mathcal C}$ has all lax colimits. …
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