Jonathan Chiche

Member for 14 years, 8 months
Last seen more than 9 years ago

math.jussieu.fr/~chiche
Paris

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Questions

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74

Has the mathematical content of Grothendieck's "Récoltes et Semailles" been used?

Dec 8, 2010

39

In which situations can one see that topological spaces are ill-behaved from the homotopical viewpoint?

Sep 27, 2011

30

What are your favorite concrete examples of limits or colimits that you would compute during lunch?

Jan 17, 2014

24

What has happened to Lang's Files and other political texts?

Mar 8, 2012

19

Does the category of strict $2$-categories together with Dwyer-Kan equivalences provide a model for $(\infty,1)$-categories?

Dec 25, 2011

Answers

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58

The half-life of a theorem, or Arnold's principle at work

May 27, 2011

44

Is there a high-concept explanation for why "simplicial" leads to "homotopy-theoretic"?

Mar 15, 2011

19

What is the homotopy theory of categories?

Apr 15, 2011

16

Conjectures in Grothendieck's "Pursuing stacks"

Dec 6, 2012

7

Find weak equivalences from fibrations and cofibrations

Dec 22, 2011

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ct.category-theory

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homotopy-theory

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higher-category-theory

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simplicial-stuff

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ag.algebraic-geometry

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Has the mathematical content of Grothendieck's "Récoltes et Semailles" been used?

+10

What is the homotopy theory of categories?

+10

Conjectures in Grothendieck's "Pursuing stacks"

+10

Does the category of strict $2$-categories together with Dwyer-Kan equivalences provide a model for $(\infty,1)$-categories?

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