User Jim Humphreys

3 votes

Why aren't proceedings from ICM 2014 on mathscinet?

answered Nov 16, 2017 at 17:09

3 votes

Accepted

BGG resolution for characters of reductive groups

answered Nov 24, 2017 at 19:36

3 votes

$p$-adic exponentials for $p$-adic Lie groups

answered Dec 2, 2017 at 20:10

3 votes

Is the Adjoint Action self dual over finite fields?

answered Apr 25, 2018 at 15:19

3 votes

About enveloping algebras of direct sums

answered May 26, 2018 at 22:17

3 votes

Accepted

Reduced decomposition for Weyl group elements which support a Bessel function

answered Feb 7, 2018 at 2:23

3 votes

Nilpotent elements of Lie algebra and unipotent groups

answered Jul 22, 2019 at 1:01

3 votes

Group cohomology of modular representations for finite groups of Lie type

answered Jan 7, 2020 at 17:22

3 votes

How to prove that Chevalley groups over $\mathbb R$ have no compact factors

answered Jul 6, 2019 at 19:19

3 votes

Extensions of modules over universal enveloping algebra with fixed central action

answered Dec 23, 2018 at 19:54

3 votes

Computing Deligne-Lusztig Characters in General

answered May 16, 2019 at 20:49

2 votes

Is the size of a conjugacy class in a finite classical group a polynomial?

answered Apr 21, 2019 at 1:44

2 votes

Well-definedness of translation functor

answered May 10, 2019 at 19:55

2 votes

Coordinates of the Weyl vector of $E_8$ (and the 135 classes of $W(E_8)/W(D_8)$)

answered Jun 16, 2019 at 22:02

2 votes

Character of a semisimple connected Lie groups

answered Jul 3, 2019 at 11:34

2 votes

Accepted

Element in finite number of Borel subgroups

answered Mar 8, 2019 at 23:02

2 votes

Accepted

Decomposition of parabolic subgroup in reductive group

answered Apr 17, 2019 at 21:19

2 votes

Absolutely irreducible representations of affine group schemes of finite type over a field

answered Jan 9, 2020 at 22:27

2 votes

Accepted

Kazhdan–Lusztig polynomials in terms of Ext groups

answered Sep 28, 2019 at 2:46

2 votes

Computing the inner automorphism group of a finite Lie algebra

answered Feb 13, 2018 at 2:33

2 votes

Accepted

cohomology of finite groups of lie type with coefficients in the adjoint module

answered Apr 4, 2018 at 13:03

2 votes

Easy proof that reflections generate $N(T)/T$ for connected compact group?

answered Sep 26, 2017 at 14:25

2 votes

Bounding weight multiplicities by number of certain Coxeter elements

answered Jul 19, 2017 at 15:41

2 votes

Automorphisms of Lie algebra of type $A_5$ modulo its center in characteristic 2

answered Jan 2, 2016 at 21:16

2 votes

Concept of Facets in the structure of reductive algebraic groups

answered Jan 3, 2016 at 22:51

2 votes

Accepted

Jordan decomposition of elements in non-connected component of algebraic group

answered Nov 15, 2015 at 15:00

2 votes

Invariants of the maximal unipotent subgroup of GL(n) acting on the space of n by n matrices

answered Jul 24, 2015 at 16:20

2 votes

Accepted

Infinite-dimensional admissible representations of SL(2,C)

answered Jul 7, 2015 at 20:07

2 votes

1-dimensional representations of the affine Hecke algebra for $SL_2$

answered Jul 26, 2015 at 13:44

2 votes

Are the orders of the generators of a group and the product of pairs of thereof enough for this group to be isomorphic to a Coxeter group?

answered Aug 12, 2015 at 14:25

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704 Answers

Why aren't proceedings from ICM 2014 on mathscinet?

BGG resolution for characters of reductive groups

$p$-adic exponentials for $p$-adic Lie groups

Is the Adjoint Action self dual over finite fields?

About enveloping algebras of direct sums

Reduced decomposition for Weyl group elements which support a Bessel function

Nilpotent elements of Lie algebra and unipotent groups

Group cohomology of modular representations for finite groups of Lie type

How to prove that Chevalley groups over $\mathbb R$ have no compact factors

Extensions of modules over universal enveloping algebra with fixed central action

Computing Deligne-Lusztig Characters in General

Is the size of a conjugacy class in a finite classical group a polynomial?

Well-definedness of translation functor

Coordinates of the Weyl vector of $E_8$ (and the 135 classes of $W(E_8)/W(D_8)$)

Character of a semisimple connected Lie groups

Element in finite number of Borel subgroups

Decomposition of parabolic subgroup in reductive group

Absolutely irreducible representations of affine group schemes of finite type over a field

Kazhdan–Lusztig polynomials in terms of Ext groups

Computing the inner automorphism group of a finite Lie algebra

cohomology of finite groups of lie type with coefficients in the adjoint module

Easy proof that reflections generate $N(T)/T$ for connected compact group?

Bounding weight multiplicities by number of certain Coxeter elements

Automorphisms of Lie algebra of type $A_5$ modulo its center in characteristic 2

Concept of Facets in the structure of reductive algebraic groups

Jordan decomposition of elements in non-connected component of algebraic group

Invariants of the maximal unipotent subgroup of GL(n) acting on the space of n by n matrices

Infinite-dimensional admissible representations of SL(2,C)

1-dimensional representations of the affine Hecke algebra for $SL_2$

Are the orders of the generators of a group and the product of pairs of thereof enough for this group to be isomorphic to a Coxeter group?