22

Questions
votes newest views recent
6
19
votes
2
answers
945
views

Is every closed set of Q² the intersection of some connected closed set of R² with Q²

may 16 11 at 12:25 over 1

7
18
votes
2
answers
745
views

Homotopy groups of spheres in a $(\infty, 1)$-topos

oct 27 11 at 21:17 Charles Rezk 12.9k●1●31●66

3
13
votes
1
answer
725
views

Large cardinal axiom: everything that happen once must happen an unbounded number of times

nov 9 11 at 0:02 Joel David Hamkins 75.5k●8●189●347

6
13
votes
3
answers
1k
views

Homology theory constructed in a homotopy-invariant way

sep 29 at 21:18 Ronnie Brown 5,287●19●20

2
12
votes
2
answers
765
views

Topological spaces whose continuous image is always closed

oct 23 10 at 7:52 Pietro Majer 19.7k●1●24●69

3
10
votes
2
answers
785
views

Forcing over an arbitrary model of ZFC

jan 6 11 at 1:57 Jason 1,944●1●5●16

2
7
votes
2
answers
637
views

Abelian groups as fundamental groups of topological groups

nov 11 10 at 16:02 Georges Elencwajg 24.3k●65●132

6
7
votes
4
answers
563
views

Limits in an $(\infty,1)$-category

nov 1 11 at 4:19 Mike Shulman 17.2k●20●70

2
7
votes
2
answers
261
views

Reduction rules for inductive types

jan 3 12 at 19:03 Ulrik Buchholtz 499●1●4

2
5
votes
2
answers
697
views

End point compactification for metric spaces

oct 28 10 at 12:10 François G. Dorais♦ 22.7k●2●49●114

1 2 3 next