90

Questions
votes newest views recent
56
45
votes
22
answers
9k
views

What’s the “best” proof of quadratic reciprocity?

apr 20 at 22:10 ACL 4,255●12●24

3
14
votes
1
answer
415
views

Is there a good notion of “induction” for representations of 2-categories?

feb 15 at 19:22 Evan Jenkins 4,146●1●8●21

19
34
votes
2
answers
2k
views

What is the insight of Quillen’s proof that all projective modules over a polynomial ring are free?

nov 20 at 23:12 unknown (google) 5,540●6●30

47
64
votes
12
answers
6k
views

How does an academic mathematician educate him/herself about job opportunities outside academia?

sep 12 at 7:09 philipsteele 1

 
3
votes
1
answer
273
views

Is it written anywhere that open subvarieties of affine spaces have “completely impure” cohomology?

may 28 at 22:28 SGP 2,614●4●14

 
5
votes
1
answer
268
views

Is the centralizer of a torus in a Kac-Moody algebra always a Borcherds algebra?

apr 20 12 at 4:25 S. Carnahan♦ 25.6k●41●90

1
5
votes
1
answer
260
views

Can one easily pick out a basis of a simple Lie algebra after picking a convex order?

jan 1 12 at 21:34 David Hill 615●3●7

3
4
votes
4
answers
667
views

An inner product that makes the R-matrix unitary

nov 29 11 at 19:39 MTS 5,306●1●9●27

3
3
votes
2
answers
334
views

How does one think about the “off-diagonal” part of the R-matrix?

nov 20 11 at 19:07 Ben Webster♦ 20.7k●1●44●114

 
11
votes
0
answers
272
views

When are the fibers of a resolution of singularities reduced?

nov 17 11 at 0:33 Ben Webster♦ 20.7k●1●44●114

1 2 3 4 5 … 9 next