User Jianrong Li

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350 views

Relation between $3$-term Plücker relations and more than $3$-term Plücker relations

asked Sep 27, 2022 at 8:50

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0 answers

87 views

Reference request: Weyl group action on the power set of positive roots

asked Oct 23, 2021 at 7:19

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1 answer

187 views

Matrix representations of Lie groups of type $B_n$

asked Nov 11, 2021 at 20:23

0 votes

1 answer

78 views

Estimate an expression about probability about Bernoulli random variables

asked Jun 16, 2020 at 21:09

0 votes

2 answers

79 views

Non-negative integer solutions of a system of equations $\sum_{i=1}^{n} x_i^2 = 4k-6, \sum_{i=1}^{n} x_i = 2k$

asked Apr 22, 2020 at 14:18

0 votes

0 answers

114 views

What is the name of the following root system?

asked Jul 26, 2020 at 13:49

0 votes

2 answers

132 views

What is the longest word in type $C_2$ Weyl group written in terms of a matrix?

asked Jul 7, 2018 at 19:25

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1 answer

165 views

How to classify a plane complex curve?

asked Aug 2, 2018 at 7:49

0 votes

2 answers

1k views

How to find the normal form of an elliptic curve?

asked Aug 2, 2018 at 15:18

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0 answers

103 views

Is there a projection from $G$ to the Levi subgroup of a Parabolic subgroup?

asked May 20, 2018 at 13:43

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0 answers

96 views

How to write the involution in the new coordinates?

asked Aug 24, 2018 at 8:31

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0 answers

140 views

Coxeter group action on the product of root systems

asked Dec 7, 2018 at 14:39

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0 answers

90 views

Do Plucker relation follow from a subsystem of equations?

asked Jan 16, 2019 at 12:36

0 votes

1 answer

262 views

What are the cluster algebra structures on $Gr(3,5)$?

asked Sep 14, 2016 at 13:45

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1 answer

103 views

References request: vector representations of Lie superalgebras

asked Sep 9, 2016 at 5:52

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1 answer

241 views

Canonical basis of cluster algebras

asked Jul 31, 2016 at 6:57

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2 answers

167 views

Tropical version of exchange relations in cluster algebras

asked Sep 21, 2016 at 10:21

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1 answer

187 views

How to prove a bracket is super anti-commutative?

asked Feb 7, 2017 at 15:10

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1 answer

121 views

Do we have a one to one correspondence between positive roots and reflections in a Coxeter group?

asked Dec 1, 2016 at 13:32

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0 answers

83 views

Are there some references about a result of inversion set?

asked Aug 21, 2017 at 8:37

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1 answer

290 views

Whitehead's lemma (Lie algebras) for reductive Lie algebras [closed]

asked Feb 16, 2016 at 11:58

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1 answer

123 views

Evaluation modules of $U_q(L(sl_2))$

asked Jul 23, 2016 at 8:14

0 votes

1 answer

204 views

Mutation equivalence of quivers

asked Aug 31, 2016 at 7:05

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1 answer

167 views

Natural Poisson brackets on $S(V^*)$

asked Sep 25, 2015 at 1:48

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0 answers

148 views

Reference request: the formula $\langle x, [f, g] \rangle = \langle \delta(x), f \otimes g \rangle$

asked May 17, 2015 at 7:53

0 votes

0 answers

241 views

Reference about a formula of coroot in an affine root system

asked Mar 8, 2015 at 8:43

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0 answers

331 views

Differences between primitive central idempotents and primitive orthogonal idempotents

asked Mar 25, 2015 at 8:56

0 votes

1 answer

275 views

Good software for solving a system of algebraic equations [closed]

asked Mar 22, 2014 at 16:00

-2 votes

1 answer

832 views

What is the spectrum of the ring $R((x))$ of formal Laurent series over a ring $R$? [closed]

asked May 7, 2018 at 8:12

-4 votes

1 answer

250 views

What are the patterns of the sequence of polynomials? [closed]

asked Dec 10, 2017 at 11:46

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210 Questions

Relation between $3$-term Plücker relations and more than $3$-term Plücker relations

Reference request: Weyl group action on the power set of positive roots

Matrix representations of Lie groups of type $B_n$

Estimate an expression about probability about Bernoulli random variables

Non-negative integer solutions of a system of equations $\sum_{i=1}^{n} x_i^2 = 4k-6, \sum_{i=1}^{n} x_i = 2k$

What is the name of the following root system?

What is the longest word in type $C_2$ Weyl group written in terms of a matrix?

How to classify a plane complex curve?

How to find the normal form of an elliptic curve?

Is there a projection from $G$ to the Levi subgroup of a Parabolic subgroup?

How to write the involution in the new coordinates?

Coxeter group action on the product of root systems

Do Plucker relation follow from a subsystem of equations?

What are the cluster algebra structures on $Gr(3,5)$?

References request: vector representations of Lie superalgebras

Canonical basis of cluster algebras

Tropical version of exchange relations in cluster algebras

How to prove a bracket is super anti-commutative?

Do we have a one to one correspondence between positive roots and reflections in a Coxeter group?

Are there some references about a result of inversion set?

Whitehead's lemma (Lie algebras) for reductive Lie algebras [closed]

Evaluation modules of $U_q(L(sl_2))$

Mutation equivalence of quivers

Natural Poisson brackets on $S(V^*)$

Reference request: the formula $\langle x, [f, g] \rangle = \langle \delta(x), f \otimes g \rangle$

Reference about a formula of coroot in an affine root system

Differences between primitive central idempotents and primitive orthogonal idempotents

Good software for solving a system of algebraic equations [closed]

What is the spectrum of the ring $R((x))$ of formal Laurent series over a ring $R$? [closed]

What are the patterns of the sequence of polynomials? [closed]