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Questions
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Why are non-singleton covering families often ignored?

dec 25 09 at 20:04 Anton Geraschenko♦♦ 13.7k●3●48●108

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A rigid type of structure that can be put on every set?

feb 1 10 at 15:36 Mike Shulman 17.2k●20●70

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Does sheafification preserve sheaves for a different topology?

nov 4 11 at 17:15 name 975●3●8

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compact objects in model categories and $(\infty,1)$-categories

apr 25 12 at 18:17 Jacob Lurie 6,259●24●36

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Pseudofunctors out of the lax Gray tensor product

may 14 at 10:22 MathOverflow♦ 1●2●3

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Intuitionistic Lowenheim-Skolem?

feb 4 11 at 15:12 Emil Jeřábek 10.6k●1●24●41

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659
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Degeneracies for semi-simplicial Kan complexes

dec 3 at 2:27 Martin 233●1●8

 
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Axiom of class collection

jul 13 at 5:22 MathOverflow♦ 1●2●3

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What sheaf topoi classify: attribution request

jul 11 11 at 0:48 Benjamin Steinberg 10.6k●1●14●49

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Modules over Laurent series rings

jul 26 11 at 8:25 S. Carnahan♦ 25.6k●41●90

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