User Jianrong Li

4 votes

1 answer

232 views

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

asked Feb 9, 2017 at 12:19

4 votes

1 answer

900 views

How to show that the graded dual of the universal enveloping algebra of a free Lie algebra on a finite set is the shuffle algebra

asked Nov 24, 2016 at 7:10

4 votes

2 answers

243 views

References about tropical cluster algebras and tropical Laurent phenomenon

asked Jan 11, 2017 at 14:41

4 votes

0 answers

302 views

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

asked Jan 18, 2017 at 7:10

4 votes

1 answer

131 views

Geometric realizations of cluster categories of non-simply-laced types

asked Sep 15, 2017 at 9:13

4 votes

1 answer

297 views

Big cells in a Grassmann and permutations

asked Aug 12, 2017 at 19:21

4 votes

1 answer

566 views

How to obtain a classical r-matrix from a quantum R-matrix?

asked May 17, 2016 at 12:31

4 votes

2 answers

498 views

Classifications of Lie bialgebras

asked Feb 12, 2016 at 16:49

4 votes

1 answer

212 views

Cluster algebra structure compatible with Poisson brackets

asked Jul 26, 2016 at 11:03

4 votes

1 answer

533 views

Geometric RSK correspondece and classical RSK correspondence

asked Jun 19, 2014 at 5:40

4 votes

1 answer

431 views

Faithful linear representation of a nilpotent Lie algebra

asked Aug 15, 2015 at 12:45

4 votes

0 answers

398 views

Why Whittaker functions are useful?

asked Mar 19, 2014 at 12:10

4 votes

2 answers

698 views

Compute formal character of semisimple Lie algebras.

asked Aug 26, 2011 at 1:37

3 votes

1 answer

487 views

What is the current status of representations of $GL_n(F)$ (and other algebraic groups)?

asked Apr 11, 2014 at 7:48

3 votes

0 answers

869 views

Canonical basis of quantum groups

asked Jan 12, 2014 at 7:05

3 votes

1 answer

386 views

Modules which are direct sum of weight spaces.

asked Apr 9, 2012 at 18:38

3 votes

1 answer

368 views

References about identities of Gauss sum

asked May 22, 2015 at 2:51

3 votes

0 answers

97 views

Simple modules of quantum toroidal algebras

asked Jun 1, 2016 at 14:23

3 votes

1 answer

123 views

Is $T(V) \rtimes T(V^* \otimes V)$ a bialgebra?

asked Jun 14, 2016 at 3:01

3 votes

2 answers

246 views

How to show that Yetter-Drinfeld condition is equialent to $\Psi$ is a braiding

asked Jun 21, 2016 at 3:49

3 votes

2 answers

288 views

Recover Poisson bracket on $C[G]$ using the Lie cobracket $\delta: g \to \Lambda^2 g$

asked Feb 12, 2016 at 17:15

3 votes

1 answer

151 views

Are all the Lie bialgebra structure on $sl_n$ coboundary?

asked Feb 16, 2016 at 2:41

3 votes

0 answers

150 views

Center of $U_q(sl_3)$ and $U_q(sl_4)$

asked Nov 18, 2015 at 14:16

3 votes

1 answer

698 views

Deformation of a Hopf algebra

asked Apr 24, 2016 at 8:13

3 votes

1 answer

161 views

How to show that a map which relates to Donaldson–Thomas invariants is an automorphism?

asked Feb 11, 2018 at 8:49

3 votes

0 answers

226 views

Definition of loop amplituhedrons

asked May 20, 2017 at 15:12

3 votes

0 answers

186 views

$q$-characters of quantum affine algebras

asked May 24, 2017 at 8:37

3 votes

1 answer

163 views

Reference request: coordinate ring of $OSP(2p|n)$

asked Mar 10, 2017 at 21:23

3 votes

2 answers

357 views

Reference request: from a reduced expression of an element in a Coxeter group to another reduced expression

asked Mar 16, 2017 at 8:46

3 votes

1 answer

271 views

What is the Cartan matrix for a dihedral group?

asked Mar 21, 2017 at 13:07

Stack Exchange Network

210 Questions

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

How to show that the graded dual of the universal enveloping algebra of a free Lie algebra on a finite set is the shuffle algebra

References about tropical cluster algebras and tropical Laurent phenomenon

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

Geometric realizations of cluster categories of non-simply-laced types

Big cells in a Grassmann and permutations

How to obtain a classical r-matrix from a quantum R-matrix?

Classifications of Lie bialgebras

Cluster algebra structure compatible with Poisson brackets

Geometric RSK correspondece and classical RSK correspondence

Faithful linear representation of a nilpotent Lie algebra

Why Whittaker functions are useful?

Compute formal character of semisimple Lie algebras.

What is the current status of representations of $GL_n(F)$ (and other algebraic groups)?

Canonical basis of quantum groups

Modules which are direct sum of weight spaces.

References about identities of Gauss sum

Simple modules of quantum toroidal algebras

Is $T(V) \rtimes T(V^* \otimes V)$ a bialgebra?

How to show that Yetter-Drinfeld condition is equialent to $\Psi$ is a braiding

Recover Poisson bracket on $C[G]$ using the Lie cobracket $\delta: g \to \Lambda^2 g$

Are all the Lie bialgebra structure on $sl_n$ coboundary?

Center of $U_q(sl_3)$ and $U_q(sl_4)$

Deformation of a Hopf algebra

How to show that a map which relates to Donaldson–Thomas invariants is an automorphism?

Definition of loop amplituhedrons

$q$-characters of quantum affine algebras

Reference request: coordinate ring of $OSP(2p|n)$

Reference request: from a reduced expression of an element in a Coxeter group to another reduced expression

What is the Cartan matrix for a dihedral group?