David Carchedi's user avatar
David Carchedi's user avatar
David Carchedi's user avatar
David Carchedi
  • Member for 12 years, 11 months
  • Last seen more than 2 years ago
31 votes
5 answers
3k views

Advantages of Diffeological Spaces over General Sheaves

26 votes
3 answers
2k views

What do whitehead towers have to do with physics?

22 votes
8 answers
3k views

Connections between ultrafilters in topology and logic

22 votes
3 answers
1k views

Applications of topological and diferentiable stacks

20 votes
6 answers
2k views

A canonical and categorical construction for geometric realization

20 votes
2 answers
1k views

When is a topological space the homotopy colimit of an open covering?

17 votes
1 answer
2k views

How much do universes matter in topos theory?

17 votes
2 answers
2k views

Homotopy types of schemes

16 votes
1 answer
1k views

Are there non-categorical notions in topos theory?

15 votes
2 answers
1k views

Classification of Quasi-topoi

15 votes
1 answer
586 views

Adjoint functor theorem for infinity categories

14 votes
2 answers
1k views

Are all manifolds affine?

14 votes
3 answers
1k views

Are monads monadic?

14 votes
2 answers
655 views

What properties do "large topoi" share with actual topoi?

14 votes
5 answers
1k views

Connections between topos theory and topology

14 votes
1 answer
659 views

Automorphisms of Eilenberg-Mac Lane spaces and semidirect products (and the odd line)

13 votes
1 answer
798 views

Characterization of Kleisli adjunctions

13 votes
1 answer
2k views

Understanding the etale space construction from a formal viewpoint

12 votes
1 answer
497 views

Locally a topos

12 votes
0 answers
1k views

Paracompact Hausdorff but not compactly generated?

12 votes
1 answer
508 views

Is every representable map a submersion?

12 votes
0 answers
1k views

When does a leaf space admit a (non-Hausdorff) manifold structure?

11 votes
3 answers
3k views

When do Kan extensions preserve limits/colimits?

11 votes
2 answers
705 views

Generalized smooth spaces and infinite dimensional manifolds

10 votes
2 answers
1k views

Canonical topology for infinity topoi revisited.

10 votes
3 answers
3k views

A number encoding all primes

10 votes
3 answers
1k views

Connections on principal bundles via stacks?

10 votes
0 answers
497 views

When does a sheaf of categories represent a homotopy sheaf?

9 votes
1 answer
726 views

Grothendieck fibrations and classifying spaces

9 votes
1 answer
438 views

Local smallness and (higher) topoi