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1
Classification of Tori of GL2, up to conjugation
10
Is the normalizer of a reductive subgroup reductive?
3
Can a reductive group act non-linearly on a vector group?
3
Cayley Transform for all reductive groups a.k.a an algebraic logarithm
6
Are the Weyl modules projectives?
5
Rational forms of simple Lie algebras
4
Rationality of algebraic groups
3
About $G$-modules versus $Lie(G)$-modules for algebraic groups
3
Uniform setting for computing orders of algebraic groups over finite quotients of the integers?
3
Springer isomorphisms and parabolics
0
Cosets representatives of congruence subgroups
5
surjectivity of irreducible representation
2
Quotients of Schemes by Free Group Actions
5
Existence of proper invariant subset in an irreducible action
4
Diagonalizable subgroups in a simply connected group
4
Diagonalizable subgroups of a connected linear algebraic group
5
Tensor product of simple representations
3
Density question in algebraic group
6
Connectedness of centralizers and regular elements in unipotent groups
3
cohomology theory for algebraic groups
7
What are “classical groups”?
1
on a characterization of parabolic subgroups
4
Comparing algebraic group orbits over big and small algebraically closed fields
3
Lie Algebras and Simple Connectivity for general algebraic groups
12
“Why” is every polynomial representation of SL(2) selfdual?
6
Innocent question on tensor products of modular representations
2
Galois theory of endomorphism rings of irreducible representations
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If a tensor product of modules is semi-simple, are the tensor factors semi-simple ?
1
Sections and subgroups in a unipotent group
5
Geometric vs Arithmetic Frobenius
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