24

Questions

6
10
votes
2
answers
1k
views

What is the significance that the Springer resolution is a moment map?

jul 17 at 19:17 David Ben-Zvi 12.6k12850

7
5
votes
3
answers
524
views

Is there a categorification of topological K-theory?

aug 5 at 1:50 Sean Tilson 2,352924

3
7
votes
4
answers
423
views

About the intrinsic definition of the Weyl group of complex semisimple Lie algebras

aug 2 at 17:32 Jim Humphreys 26k3782

 
5
votes
0
answers
384
views

Is the Springer resolution a blow-up?

jul 12 at 8:43 Bugs Bunny 4,912318

2
3
votes
2
answers
357
views

Does $G/H$ (quotient of a real semisimple Lie group by a Cartan subgroup) have a natural symplectic structure?

sep 16 at 3:30 Allen Knutson 12.4k12364

1
5
votes
1
answer
301
views

What kind of algebra has geometric realization as in “Geometric Methods in Representation Theory of Hecke Algebras and Quantum Groups”

apr 28 at 23:04 Alistair Savage 1656

2
7
votes
0
answers
289
views

What is Quillen’s contribution to index theorem?

may 7 at 5:52 Zhaoting Wei 1,180110

2
6
votes
0
answers
288
views

Is there any “deep” relation between the localization theorem of equivariant cohomology and the localization theorem of equivariant K-theory

sep 10 at 16:22 Zhaoting Wei 1,180110

2
9
votes
0
answers
236
views

Can we describe equivariant vector bundles of free group action in terms of descent theory (Barr-Beck theorem)?

aug 27 at 3:44 Zhaoting Wei 1,180110

3
1
vote
2
answers
230
views

Equivariant K-theory of $S^1$-action on $S^2$

nov 4 at 14:33 Allen Knutson 12.4k12364

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