40

Questions

12
27
votes
4
answers
2k
views

Is “all categorical reasoning formally contradictory”?

may 5 10 at 21:08 Dan Doel 1314

19
25
votes
5
answers
1k
views

Clifford algebra as an adjunction?

jul 3 at 5:34 Joe Hannon 33218

26
24
votes
14
answers
2k
views

What are interesting families of subsets of a given set?

jun 28 10 at 23:00 José Figueroa-O'Farrill 19k23193

8
20
votes
2
answers
970
views

“isotropic” subspaces of a simple Lie algebra

nov 27 09 at 22:38 MathOverflow 123

2
20
votes
3
answers
1k
views

When does a ring surjection imply a surjection of the group of units?

jul 22 10 at 8:37 Martin Brandenburg 29k245129

9
17
votes
3
answers
2k
views

Topology of function spaces?

aug 11 10 at 14:57 Igor Belegradek 9,84111342

9
16
votes
3
answers
2k
views

When is a classification problem “wild”?

jan 18 11 at 4:29 Chandan Singh Dalawat 11.4k13973

12
15
votes
2
answers
976
views

Are there Ricci-flat riemannian manifolds with generic holonomy?

mar 2 10 at 21:55 Chris Schommer-Pries 10.2k11757

5
14
votes
2
answers
525
views

Spin structures on 7-dimensional spherical space forms

dec 9 09 at 17:49 José Figueroa-O'Farrill 19k23193

4
14
votes
2
answers
775
views

Invariants for the exceptional complex simple Lie algebra $F_4$

dec 28 at 18:11 Abdelmalek Abdesselam 2,251417

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