102

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 2,508●1●9●18

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

may 27 12 at 4:14 Angelo 19.8k●3●47●75

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

jun 20 at 22:01 David Roberts 11.9k●2●18●56

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

sep 14 at 0:43 David Roberts 11.9k●2●18●56

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

dec 13 at 3:31 David Roberts 11.9k●2●18●56

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Weakly initial sets - examples and nonexamples

oct 6 10 at 11:45 Todd Trimble 22.7k●1●64●97

 
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Interesting representations/cohomology of surface groups?

aug 18 10 at 3:36 David Roberts 11.9k●2●18●56

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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 19k●3●47●93

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Cofibrations and coequalisers in a proper model category

apr 6 11 at 0:49 Tom Goodwillie 27k●2●62●111

 
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Characterisation of paracompact spaces by some sort of embeddability?

may 24 11 at 18:46 Henno Brandsma 2,236●7●19

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