33

Questions
votes newest views recent
2
26
votes
1
answer
627
views

Is $M_g$ finitely covered by a scheme over the integers?

jun 12 at 22:50 Agol 23.9k●1●33●84

5
21
votes
0
answers
366
views

Why do H_4 and M_4 have the same virtual Euler characteristic?

jun 4 11 at 18:31 Dan Petersen 10.1k●1●21●46

6
18
votes
1
answer
1k
views

Is the Grothendieck ring of varieties reduced?

sep 28 10 at 2:20 Chandan Singh Dalawat 11.5k●1●39●73

13
17
votes
1
answer
2k
views

What’s up with Wick’s theorem?

nov 25 10 at 23:18 Theo Johnson-Freyd 22.3k●2●27●110

6
14
votes
1
answer
541
views

What is a self-dual category?

mar 28 12 at 9:04 Dan Petersen 10.1k●1●21●46

3
12
votes
3
answers
548
views

Reference for representation theory of SL_2(Z/n)

feb 2 12 at 10:44 Guillermo Mantilla 1,299●7●16

3
12
votes
1
answer
498
views

Homotopy theory of topological stacks/orbifolds

aug 16 at 8:46 Jeffrey Giansiracusa 4,056●11●30

2
12
votes
2
answers
389
views

Is there Harer stability for moduli of curves with level structure?

jan 18 11 at 14:58 Oscar Randal-Williams 5,155●1●12●26

2
11
votes
0
answers
795
views

What do dessins tell us about the absolute Galois group?

jan 26 11 at 15:44 Dan Petersen 10.1k●1●21●46

8
10
votes
2
answers
858
views

The fibers of M_{g,n} \to M_g and the Fulton-MacPherson compactification

jul 24 10 at 21:16 Eugene Eisenstein 213●5

1 2 3 4 next