User Jianrong Li

1 vote

1 answer

351 views

Super version of Poisson brackets of tensor products

asked Feb 1, 2017 at 21:05

1 vote

1 answer

340 views

What are all primitive elements in a tensor algebra?

asked Nov 22, 2016 at 8:35

1 vote

1 answer

104 views

Softwares which compute all non-isomorphic quivers in a mutation class

asked Aug 31, 2016 at 8:07

1 vote

0 answers

87 views

Reference request: Nichols algebras of a braided vector space with a diagonal braiding

asked Sep 12, 2016 at 8:46

1 vote

2 answers

145 views

How to decompose an map $\phi: \mathbb{G}_m \to T$ as the product of a cocharacter $\phi'$ and a map $\phi'':\mathbb{G}_m \to T$?

asked May 6, 2018 at 12:08

1 vote

0 answers

130 views

Lie algebra action obtained from Lie group action [closed]

asked Feb 25, 2018 at 11:08

1 vote

1 answer

77 views

$\tilde{e}_i$ action on $e^{(n)} u$

asked Feb 11, 2018 at 16:47

1 vote

0 answers

73 views

Decompose elements in $SL_2$ as a pair of elements in $SL_2^*$.

asked Feb 18, 2018 at 8:37

1 vote

1 answer

108 views

Question about a computation of $F_{\beta_3}$ related to canonical basis of $U_q(sl_3)$.

asked Feb 21, 2018 at 11:18

1 vote

1 answer

156 views

Reference for a proof of cancellation property of braid monoids

asked Aug 16, 2017 at 7:50

1 vote

1 answer

182 views

Is the action $T \times G \to G$ Poisson?

asked Dec 12, 2017 at 13:46

1 vote

1 answer

217 views

Trying to understand dressing actions

asked Jan 29, 2018 at 10:05

1 vote

1 answer

92 views

How to show that the structure constant on $\mathcal{G}^*$ is $C_{c}^{ab} = f_{cd}^b r^{ad} + f_{cd}^a r^{db}$?

asked Feb 6, 2018 at 10:23

1 vote

1 answer

323 views

Type $C_n$ Weyl group contains in the centralizer of the longest word $w_0$ in $S_{2n}$

asked Oct 5, 2017 at 8:31

1 vote

1 answer

132 views

Analog between groups and Hopf algebras

asked Jun 28, 2017 at 16:00

1 vote

1 answer

154 views

Presentations of quantum general linear groups

asked Jul 2, 2017 at 16:33

1 vote

1 answer

126 views

What is the trace of this map?

asked Jul 3, 2017 at 12:13

1 vote

1 answer

547 views

How to draw a Littelmann path?

asked Nov 12, 2011 at 16:49

1 vote

1 answer

180 views

What are the differences and relations between R matrices solutions of Quantum Yang-Baxter equations and set-theoretical solutions of QYBE?

asked Feb 24, 2014 at 14:07

1 vote

2 answers

281 views

Reference request: Lusztig's symmetries

asked Dec 31, 2013 at 12:13

1 vote

1 answer

435 views

The coproducts $\mathbb{C}_q[U] \to \mathbb{C}_q[U] \otimes \mathbb{C}_q[U]$ and $\mathbb{C}[U] \to \mathbb{C}[U] \otimes \mathbb{C}[U]$

asked Jan 2, 2015 at 8:00

1 vote

0 answers

152 views

What are the differences between p-adic Whittaker functions and archimedean Whittaker functions? [closed]

asked May 8, 2015 at 12:32

1 vote

0 answers

118 views

Irreducible representations of quantum affine algebras

asked Oct 20, 2015 at 11:06

1 vote

1 answer

266 views

Number of cluster variables

asked Nov 15, 2015 at 3:37

1 vote

0 answers

61 views

Is $T(V)$ a Yetter-Drinfeld module over $T(V^* \otimes V)$?

asked Jun 16, 2016 at 14:43

1 vote

1 answer

153 views

How to obtain the classical Yang-Baxter equation from a related equation

asked Aug 6, 2016 at 13:15

1 vote

1 answer

103 views

How to draw a quiver for a pseudoline arragement?

asked Aug 7, 2016 at 8:43

1 vote

1 answer

184 views

Tensor product of two Poisson modules

asked Aug 22, 2016 at 8:42

1 vote

1 answer

201 views

Mutation of valued quivers

asked Aug 23, 2016 at 12:28

1 vote

0 answers

51 views

Is $\mathcal{O}_q(GL_n(k))$ a Nichols algebra?

asked Aug 30, 2016 at 13:12

Stack Exchange Network

210 Questions

Super version of Poisson brackets of tensor products

What are all primitive elements in a tensor algebra?

Softwares which compute all non-isomorphic quivers in a mutation class

Reference request: Nichols algebras of a braided vector space with a diagonal braiding

How to decompose an map $\phi: \mathbb{G}_m \to T$ as the product of a cocharacter $\phi'$ and a map $\phi'':\mathbb{G}_m \to T$?

Lie algebra action obtained from Lie group action [closed]

$\tilde{e}_i$ action on $e^{(n)} u$

Decompose elements in $SL_2$ as a pair of elements in $SL_2^*$.

Question about a computation of $F_{\beta_3}$ related to canonical basis of $U_q(sl_3)$.

Reference for a proof of cancellation property of braid monoids

Is the action $T \times G \to G$ Poisson?

Trying to understand dressing actions

How to show that the structure constant on $\mathcal{G}^*$ is $C_{c}^{ab} = f_{cd}^b r^{ad} + f_{cd}^a r^{db}$?

Type $C_n$ Weyl group contains in the centralizer of the longest word $w_0$ in $S_{2n}$

Analog between groups and Hopf algebras

Presentations of quantum general linear groups

What is the trace of this map?

How to draw a Littelmann path?

What are the differences and relations between R matrices solutions of Quantum Yang-Baxter equations and set-theoretical solutions of QYBE?

Reference request: Lusztig's symmetries

The coproducts $\mathbb{C}_q[U] \to \mathbb{C}_q[U] \otimes \mathbb{C}_q[U]$ and $\mathbb{C}[U] \to \mathbb{C}[U] \otimes \mathbb{C}[U]$

What are the differences between p-adic Whittaker functions and archimedean Whittaker functions? [closed]

Irreducible representations of quantum affine algebras

Number of cluster variables

Is $T(V)$ a Yetter-Drinfeld module over $T(V^* \otimes V)$?

How to obtain the classical Yang-Baxter equation from a related equation

How to draw a quiver for a pseudoline arragement?

Tensor product of two Poisson modules

Mutation of valued quivers

Is $\mathcal{O}_q(GL_n(k))$ a Nichols algebra?