User Jianrong Li

1 vote

1 answer

139 views

Analog between groups and Hopf algebras

asked Jun 28, 2017 at 16:00

1 vote

1 answer

158 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

173 views

References request: reflections in coxeter groups

asked Nov 29, 2016 at 15:24

1 vote

1 answer

295 views

How to return elements of a given length in a symmetric group using Sage?

asked Jan 23, 2017 at 14:28

1 vote

1 answer

409 views

Super version of Poisson brackets of tensor products

asked Feb 1, 2017 at 21:05

1 vote

1 answer

195 views

Construct super Poisson brackets on the coordinate rings of Lie super groups

asked Feb 6, 2017 at 14:25

1 vote

1 answer

214 views

Positive roots and elements in a Coxeter group.

asked Mar 15, 2017 at 13:14

1 vote

1 answer

117 views

How to write down the map $T(V)_n \to S(Lie(V))_n$ explicitly?

asked Feb 26, 2017 at 14:25

1 vote

1 answer

201 views

Why in the definition of a Nichols algebra we require that $V$ is a Yetter-Drinfeld module?

asked Mar 2, 2017 at 15:38

1 vote

1 answer

349 views

What are all primitive elements in a tensor algebra?

asked Nov 22, 2016 at 8:35

1 vote

1 answer

117 views

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

asked Aug 31, 2016 at 8:07

1 vote

0 answers

88 views

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

asked Sep 12, 2016 at 8:46

1 vote

0 answers

116 views

How to obtain a linear basis from a Groebner basis?

asked Dec 12, 2019 at 11:13

1 vote

0 answers

163 views

Bender-Knuth involution on $SSYT(\lambda, [n])$

asked Dec 14, 2019 at 15:39

1 vote

1 answer

204 views

Are there some relations between F-polynomials and theta functions?

asked May 29, 2019 at 19:14

1 vote

1 answer

102 views

Software for Hilbert series of quotients of exterior algebras

asked Aug 22, 2019 at 18:39

1 vote

1 answer

221 views

How to find all minimal dependent sets of a set of vectors effectively?

asked Sep 29, 2019 at 8:05

1 vote

1 answer

283 views

Reference request: conditions for the cardinality of the kernel of a linear map from $\mathbb{Z}_m^n \to \mathbb{Z}_m^k$ is a power of $m$

asked Apr 1, 2019 at 15:19

1 vote

1 answer

109 views

Size of a multi-segment of a representation of $GL_n(F)$

asked Feb 21, 2019 at 9:30

1 vote

1 answer

236 views

Decomposition of product of two Plucker coordinates

asked Mar 30, 2019 at 12:57

1 vote

1 answer

341 views

Reference request: Catalan number of type B

asked Oct 19, 2018 at 8:08

1 vote

1 answer

113 views

Closed subsets in Coxeter groups

asked Oct 27, 2018 at 11:58

1 vote

0 answers

36 views

What are the corner minors in $Sp(4)$?

asked Jul 8, 2018 at 16:45

1 vote

0 answers

140 views

Some questions about $\rho^{\vee}$ in Lie theory

asked May 20, 2018 at 18:10

1 vote

0 answers

85 views

An identity in Weyl group

asked Jun 14, 2018 at 20:37

1 vote

0 answers

360 views

Borel subgroup of $Sp(4,\mathbb{C})$

asked Jul 7, 2018 at 17:41

1 vote

0 answers

166 views

How to understand a definition in KLR algebra in the setting of quantum affine algebras?

asked Feb 3, 2022 at 7:03

1 vote

1 answer

141 views

Non-rigid modules and Auslander-Reiten quiver

asked May 7, 2022 at 10:54

1 vote

1 answer

68 views

How to verify that an element in the root lattice is an imaginary root of a non-hyperbolic root system?

asked Nov 2, 2020 at 9:26

Stack Exchange Network

210 Questions

Analog between groups and Hopf algebras

Presentations of quantum general linear groups

What is the trace of this map?

References request: reflections in coxeter groups

How to return elements of a given length in a symmetric group using Sage?

Super version of Poisson brackets of tensor products

Construct super Poisson brackets on the coordinate rings of Lie super groups

Positive roots and elements in a Coxeter group.

How to write down the map $T(V)_n \to S(Lie(V))_n$ explicitly?

Why in the definition of a Nichols algebra we require that $V$ is a Yetter-Drinfeld module?

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 obtain a linear basis from a Groebner basis?

Bender-Knuth involution on $SSYT(\lambda, [n])$

Are there some relations between F-polynomials and theta functions?

Software for Hilbert series of quotients of exterior algebras

How to find all minimal dependent sets of a set of vectors effectively?

Reference request: conditions for the cardinality of the kernel of a linear map from $\mathbb{Z}_m^n \to \mathbb{Z}_m^k$ is a power of $m$

Size of a multi-segment of a representation of $GL_n(F)$

Decomposition of product of two Plucker coordinates

Reference request: Catalan number of type B

Closed subsets in Coxeter groups

What are the corner minors in $Sp(4)$?

Some questions about $\rho^{\vee}$ in Lie theory

An identity in Weyl group

Borel subgroup of $Sp(4,\mathbb{C})$

How to understand a definition in KLR algebra in the setting of quantum affine algebras?

Non-rigid modules and Auslander-Reiten quiver

How to verify that an element in the root lattice is an imaginary root of a non-hyperbolic root system?