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Jianrong Li

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rt.representation-theory

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204 Questions

Votes Activity Newest Views
24
36
votes
6
answers
6k
views

Why we need to study representations of matrix groups?

ag.algebraic-geometry rt.representation-theory algebraic-groups
Dec 15 at 20:31 LSpice 5,211
6
16
votes
4
answers
914
views

Reference request: Grassmannian and Plucker coordinates in type B, C, D

ag.algebraic-geometry co.combinatorics rt.representation-theory lie-groups
Jul 31 at 0:57 user162999 21
11
15
votes
4
answers
2k
views

Decompose tensor product of type $G_2$ Lie algebras.

lie-algebras rt.representation-theory reference-request
Jan 23 '12 at 18:16 Jim Humphreys 49.5k
4
13
votes
1
answer
410
views

Is there some relation between cluster algebras and crystal graphs?

rt.representation-theory quantum-groups cluster-algebras
Jun 30 '17 at 16:08 WSL 1,739
7
10
votes
3
answers
836
views

The concept “conjugate class” in monoids.

semigroups-and-monoids
Jan 28 at 21:54 LSpice 5,211
2
8
votes
3
answers
393
views

How to use Hilbert series to count combinatorial objects?

ag.algebraic-geometry ac.commutative-algebra
Sep 30 '18 at 19:24 Sam Hopkins 14.4k
5
8
votes
2
answers
671
views

Relation between representations of p-adic groups and affine Hecke algebras

nt.number-theory rt.representation-theory algebraic-groups automorphic-forms affine-hecke-algebras
Oct 16 '16 at 20:45 kolmo 128
2
8
votes
1
answer
436
views

Bernstein–Zelevinsky classification for classical groups

nt.number-theory rt.representation-theory algebraic-groups automorphic-forms langlands-conjectures
Oct 16 '16 at 20:31 kolmo 128
3
8
votes
2
answers
593
views

Algebra in a category

ct.category-theory quantum-groups hopf-algebras
Aug 19 '16 at 19:34 Zahlendreher 996
3
8
votes
1
answer
928
views

PBW basis and canonical basis

lie-algebras quantum-groups canonical-bases
Jun 25 '14 at 0:49 Community♦ 1
2
8
votes
2
answers
931
views

Relations between affine Grassmannian and Grassmannian

ag.algebraic-geometry rt.representation-theory grassmannians affine-grassmannian
Dec 30 '13 at 14:29 Peter Crooks 4,660
1
6
votes
1
answer
250
views

What is the status of a problem about cluster categories?

rt.representation-theory quivers cluster-algebras
Sep 15 '17 at 9:39 Matthew Pressland 1,525
4
6
votes
1
answer
207
views

Compatibility conditions for Yetter-Drinfeld modules

rt.representation-theory quantum-groups hopf-algebras
Aug 2 '16 at 11:02 Jianrong Li 5,679
4
6
votes
1
answer
224
views

Questions about the $\mathbf{i}$-trails of Berenstein and Zelevinsky

reference-request rt.representation-theory lie-groups lie-algebras
Dec 25 '14 at 23:12 Joel Kamnitzer 3,063
3
6
votes
3
answers
870
views

Reference request: representation of type G2 Lie algebras.

rt.representation-theory lie-algebras reference-request
Oct 21 '11 at 2:43 Dave Anderson 2,361
2
5
votes
0
answers
92
views

Distance of two points in Grassmannian using Plücker coordinate

grassmannians machine-learning
Jul 10 at 13:08 Jianrong Li 5,679
2
5
votes
0
answers
152
views

Reference about the root systems $E_{n}$, $n \ge 10$

lie-algebras mp.mathematical-physics root-systems kac-moody-algebras
Dec 5 '19 at 9:17 Jianrong Li 5,679
2
5
votes
2
answers
386
views

Do we have super Plucker relations for a super Grassmannian?

ag.algebraic-geometry ac.commutative-algebra cluster-algebras
Dec 1 '19 at 2:46 Sylvester W. Zhang 460
 
5
votes
1
answer
158
views

Number of real roots in type $\tilde{E}_8$

co.combinatorics lie-algebras root-systems kac-moody-algebras
Jul 19 '19 at 15:31 Andrei Smolensky 2,511
3
5
votes
1
answer
364
views

How to check that whether or not a surface is a K3 surface?

ag.algebraic-geometry
Aug 28 '18 at 8:36 Dmitri Panov 26.6k
1
5
votes
1
answer
342
views

Reference request: type C, D Catalan numbers

co.combinatorics
Apr 26 '17 at 20:34 Christian Gaetz 2,350
4
5
votes
2
answers
279
views

Questions about $\mathbb{C}[G/U^-]$ and $\mathbb{C}[B]$

rt.representation-theory lie-groups algebraic-groups
Dec 11 '16 at 14:27 LSpice 5,211
3
5
votes
0
answers
116
views

How to translate multi-segments to Drinfeld polynomials?

rt.representation-theory lie-groups quantum-groups hopf-algebras hecke-algebras
Sep 20 '16 at 11:04 Jianrong Li 5,679
1
5
votes
1
answer
263
views

Center of quantum affine algebras

rt.representation-theory quantum-groups hopf-algebras
Jan 31 '16 at 11:48 Alexander Chervov 20.5k
3
5
votes
1
answer
479
views

Percolation in Cayley graphs of semigroups.

pr.probability semigroups-and-monoids geometric-group-theory
Jun 12 '12 at 7:51 Community♦ 1
2
4
votes
0
answers
275
views

Does the tensor algebra $T(V)$ of $V$ isomorphic to the symmetric algebra of the free Lie algebra over $V$?

ra.rings-and-algebras lie-algebras hopf-algebras
Apr 26 at 5:36 YCor 42.6k
1
4
votes
1
answer
221
views

Big cells in a Grassmann and permutations

ag.algebraic-geometry co.combinatorics total-positivity
Dec 6 '19 at 0:34 Sam Hopkins 14.4k
5
4
votes
1
answer
448
views

Geometric RSK correspondece and classical RSK correspondence

co.combinatorics
Aug 28 '19 at 1:16 Sam Hopkins 14.4k
3
4
votes
1
answer
167
views

Are there some known identities of elliptic polylogarithms similar to the Abel identity of polylogarithm?

nt.number-theory mp.mathematical-physics special-functions string-theory
May 30 '19 at 5:57 Alexey Ustinov 9,803
 
4
votes
1
answer
153
views

Reference request: additive basis of coordinate ring of Grassmannians

ag.algebraic-geometry
May 5 '19 at 3:12 Michael Albanese 14.8k
1
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