22

Questions
votes newest views recent
34
63
votes
3
answers
2k
views

What do the stable homotopy groups of spheres say about the combinatorics of finite sets?

feb 28 12 at 10:26 Johannes Ebert 11.4k●33●55

12
36
votes
6
answers
3k
views

Geometric proof of the Vandermonde determinant?

mar 7 11 at 21:06 Daniel Litt 8,179●2●25●49

14
30
votes
9
answers
3k
views

What is the shortest program for which halting is unknown?

oct 4 at 16:06 Lew Baxter 1

10
20
votes
5
answers
3k
views

What is the etymology of the term “perverse sheaf”?

oct 29 10 at 15:59 mark goresky 576●5●4

4
20
votes
1
answer
599
views

Strong group ring isomorphisms

apr 6 11 at 7:46 Daniel Litt 8,179●2●25●49

8
14
votes
2
answers
1k
views

Structure theorems for Turing-decidable languages?

jul 23 10 at 1:23 Kaveh 2,177●5●24

4
10
votes
1
answer
576
views

Analytic Torsion in the Derived Category

mar 15 11 at 17:47 Daniel Litt 8,179●2●25●49

3
10
votes
4
answers
358
views

What properties should a good definition of (weak) $n$-category satisfy?

dec 20 10 at 11:36 Todd Trimble 22.3k●1●62●96

4
9
votes
0
answers
211
views

Geometrizing the Third Cohomology of a Complex Lie Group

jan 24 at 0:26 Daniel Litt 8,179●2●25●49

4
8
votes
2
answers
1k
views

Noncombinatorial proofs of Ramsey’s Theorem?

jun 25 10 at 0:12 Terry Tao 27.5k●4●107●178

1 2 3 next