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# Questions

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### Maps that admit local sections through each ‘point’ in the domain

oct 20 10 at 6:18 Bjørn Kjos-Hanssen 2,5081918

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### Carving out subsheaves of local hom-sheaves of stacks of categories

may 27 12 at 4:14 Angelo 19.8k34775

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### What do we mean by contractible for simplicial objects in a category?

jun 20 at 22:01 David Roberts 11.9k21856

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251
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### What are the possible symplectic structures on a given Lie groupoid?

sep 14 at 0:43 David Roberts 11.9k21856

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### Given a Serre fibration between manifolds, how ugly can it be?

dec 13 at 3:31 David Roberts 11.9k21856

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348
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### Weakly initial sets - examples and nonexamples

oct 6 10 at 11:45 Todd Trimble 22.7k16497

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399
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### Interesting representations/cohomology of surface groups?

aug 18 10 at 3:36 David Roberts 11.9k21856

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332
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### An example of a space which is locally relatively contractible but not contractible?

may 27 10 at 4:47 Tyler Lawson 19k34793

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138
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### Cofibrations and coequalisers in a proper model category

apr 6 11 at 0:49 Tom Goodwillie 27k262111

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