10

# Questions

21
48
2
3k
views

### Has the mathematical content of Grothendieck’s “Récoltes et Semailles” been used?

dec 14 10 at 8:51 Minhyong Kim 7,21953052

10
22
3
2k
views

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

feb 7 12 at 10:30 Ronnie Brown 5,4861921

3
16
1
1k
views

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

may 30 at 22:47 Steven Landsburg 9,55112952

1
4
1
382
views

### Is there a standard name for a 2-category which has an object z such that, for every object x, the category Hom(x,z) has a terminal object?

oct 22 at 7:45 Jonathan Chiche 1,4411717

6
8
1
338
views

### How do various notions of natural transformation relate to various notions of homotopy in $2Cat$?

jan 3 12 at 9:01 Jonathan Chiche 1,4411717

4
9
0
317
views

### Is there any elementary text unravelling the definitions of 2-category, lax functor and lax transformation, allowing people who do not know in the first place what these things are to really understand the definitions?

jan 9 12 at 9:01 Jonathan Chiche 1,4411717

3
7
0
310
views

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

dec 25 11 at 12:13 Chris Schommer-Pries 10.4k11857

2
6
2
235
views

### Where is it rigorously stated and proved that the definition of lax functor implies that the generalized cocycle condition holds for an arbitrary number of composable $1$-cells?

nov 2 at 21:02 Buschi Sergio 1,809148

5
8
0
224
views

### What is the history of the notion of subdivision of categories?

jul 31 at 8:43 Jonathan Chiche 1,4411717

1
3