user avatar
user avatar
user avatar
Paul Levy
  • Member for 9 years, 9 months
  • Last seen more than a week ago
7 votes

Finite Order Automorphisms on Complex Simple Lie Algebras

6 votes
Accepted

Centralizers of subtori in reductive groups, derived subgroups

5 votes
Accepted

Constructing symmetric invariants of the exceptional simple Lie algebra as restrictions

4 votes
Accepted

Simply connected algebraic groups and reductive subgroups of maximal rank

4 votes
Accepted

Number of Richardson orbits in simple Lie algebras of types $E_n$?

4 votes

Uniform proof of dimension formula for minimal special nilpotent orbit?

4 votes
Accepted

Prove: Lie algebra generated by two $n\times n$ shift matrices is $\mathfrak{so}(n,\mathbb{C})$ ($n$ odd) or $\mathfrak{sp}(n,\mathbb{C})$ ($n$ even)

3 votes
Accepted

Centralizers of semisimple subgroups

3 votes
Accepted

The upper bounds on rank $ 2 $ real matrices

3 votes
Accepted

degrees of the invariants for the action of $SL(V)$ on $\wedge^4V$

3 votes
Accepted

Calculation with weights of $E_6$

3 votes
Accepted

Affine analog of the theory of sheets

3 votes

The integer structure of twice inverse of Cartan matrix and $Z_2$-group of symmetry of Dynkin diagram

2 votes

The normalised form for the twisted Kac-Moody algebra

2 votes

An upper bound for skew symmetric rank 2 matrices

2 votes
Accepted

Computing the inner automorphism group of a finite Lie algebra

2 votes
Accepted

What is this Lie algebra?

2 votes

Vanishing of power of nilpotent operator $\mathrm{ad} \, \;e$ in different characteritics

2 votes

Invariants of polynomial algebras on infinite G-modules

2 votes

Computing tangent spaces of resolutions to Slodowy slices

2 votes

Number of involutions in finite reductive groups

2 votes

Find all finite dimensional simple quotients of a possibly infinite dimensional Lie algebra generated by three elements

1 vote

Find all finite dimensional simple Lie algebras satisfying certain conditions

1 vote

Nilpotent elements of index $2$ in group algebra $FA_4$

1 vote
Accepted

Unipotent orbits and intersection with Levi and pseudo-Levi subgroups

1 vote
Accepted

The identity connected component of centralizers of unipotent orbits

1 vote

Casimir operators for Jacobi Lie algebra

1 vote

Double centralizer in special linear algebra