Philippe Gaucher's user avatar
Philippe Gaucher's user avatar
Philippe Gaucher's user avatar
Philippe Gaucher
  • Member for 11 years, 9 months
  • Last seen this week
27 votes

Small ideas that became big

21 votes

Most striking applications of category theory?

20 votes
Accepted

Negative objects in categories

8 votes

What was Burroni's sketch for topological spaces?

7 votes

Nonequivalent definitions in Mathematics

7 votes

Why should have Peter May worked with CGWH instead of CGH in "The Geometry of Iterated Loop Space"?

6 votes

What's an example of a locally presentable category "in nature" that's not $\aleph_0$-locally presentable?

5 votes
Accepted

Left determined model structure on delta-generated topological spaces

4 votes

Which mathematical definitions should be formalised in Lean?

3 votes

example of "really" non-existent transferred model structure

3 votes
Accepted

Does the category of posets have pushouts and pullbacks?

3 votes

Cofibrant replacements of a given object in a combinatorial model category

3 votes

Categorical Construction of Quotient Topology?

3 votes

Intuitionistic algebraic topology?

3 votes
Accepted

About small $\omega$-orthogonality classes and Gabriel-Ulmer duality

3 votes

What's a good introduction to category theory for someone doing analysis?

3 votes

Free open-access peer-reviewed math journals

2 votes
Accepted

Transporting a model category structure along a left adjoint

2 votes

Cogenerator of Categories of Topological Spaces Satisfying Some Separation Axiom

2 votes

What's special about the Simplex category?

1 vote

Higher dimensional pasting diagram of cubes

1 vote

On the foundations for large categories

1 vote
Accepted

How to describe this set of maps of posets?

1 vote

On model categories where every object is bifibrant

0 votes
Accepted

Removing the symmetry maps from a small category of cubes

0 votes

Which sequential colimits commute with pullbacks in the category of topological spaces?