User Ehud Meir

16 votes

0 answers

370 views

Representation categories and homology

asked Jan 31, 2017 at 10:32

14 votes

2 answers

667 views

Semisimple representations of discrete groups

asked Dec 19, 2016 at 14:27

13 votes

4 answers

1k views

Number of finite index subgroups in a free abelian group

asked Aug 3, 2022 at 16:36

9 votes

2 answers

267 views

Schur Weyl duality for the supergroup $\text{GL}(m|n)$

asked Jul 26, 2020 at 15:32

9 votes

1 answer

248 views

First order formulas for finite groups and invariant theory

asked Jun 15, 2017 at 21:10

9 votes

1 answer

291 views

Invariants and stablizers for the $PGL(V)$ action on $End(V\otimes V)$

asked Feb 2, 2016 at 15:17

8 votes

1 answer

218 views

Pair of square matrices related by traces formulas

asked Nov 5, 2015 at 17:42

7 votes

1 answer

273 views

Semisimple super Lie algebras

asked Sep 3, 2021 at 21:06

6 votes

1 answer

130 views

Stabilizers of multilinear forms

asked Oct 21, 2021 at 17:39

6 votes

1 answer

940 views

Homogeneous spaces of affine algebraic groups

asked Dec 9, 2015 at 17:28

6 votes

1 answer

214 views

Trivial algebras given by generators and relations

asked Mar 20, 2016 at 15:42

6 votes

0 answers

126 views

Braid groups representations on infinite dimensional vector spaces

asked Aug 20, 2017 at 14:20

6 votes

1 answer

169 views

presentations of subalgebras

asked Jul 30, 2015 at 10:23

6 votes

0 answers

150 views

Subalgebra of group algebra generated by idempotents

asked Aug 13, 2021 at 12:14

5 votes

0 answers

137 views

sums of quadratic forms over finite abelian groups

asked Jul 12, 2017 at 13:45

5 votes

0 answers

105 views

Indecomposable objects in iterated functor categories

asked Feb 1, 2022 at 15:27

5 votes

1 answer

178 views

Orbit counting polynomials over finite fields

asked Oct 29, 2020 at 23:05

5 votes

0 answers

151 views

lifting of idempotents in group ring

asked Sep 15, 2018 at 14:12

4 votes

0 answers

113 views

semisimplicity of maps in braided vector spaces

asked Sep 26, 2018 at 16:54

4 votes

0 answers

178 views

A presentation for a subalgebra

asked Mar 6, 2019 at 11:55

4 votes

0 answers

212 views

Invariants of linear endomorphisms of tensor products

asked Mar 15, 2019 at 14:19

4 votes

0 answers

165 views

additivity of trace with respect to short exact sequences

asked Aug 2, 2020 at 15:29

4 votes

0 answers

118 views

Invariants and subgroups

asked Dec 10, 2017 at 22:13

4 votes

1 answer

130 views

Kernels of actions on truncated polynomial algebra

asked Mar 17 at 18:06

4 votes

0 answers

71 views

Complex representations of groups of invertible elements in finite local rings

asked Apr 1 at 18:44

4 votes

0 answers

292 views

Finite properties of finite models of first order theories

asked Oct 13, 2017 at 9:04

4 votes

1 answer

319 views

Are braid groups conjugacy separable?

asked Apr 22, 2016 at 12:08

4 votes

1 answer

393 views

A canonical representative in Morita equivalence class

asked Dec 10, 2015 at 16:11

3 votes

1 answer

371 views

variations of finite stabilizer in the action of an algebraic group on an affine variety

asked Aug 3, 2017 at 14:24

3 votes

1 answer

505 views

Closed orbits for the action of general linear groups

asked Feb 24, 2017 at 13:32

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42 Questions

Representation categories and homology

Semisimple representations of discrete groups

Number of finite index subgroups in a free abelian group

Schur Weyl duality for the supergroup $\text{GL}(m|n)$

First order formulas for finite groups and invariant theory

Invariants and stablizers for the $PGL(V)$ action on $End(V\otimes V)$

Pair of square matrices related by traces formulas

Semisimple super Lie algebras

Stabilizers of multilinear forms

Homogeneous spaces of affine algebraic groups

Trivial algebras given by generators and relations

Braid groups representations on infinite dimensional vector spaces

presentations of subalgebras

Subalgebra of group algebra generated by idempotents

sums of quadratic forms over finite abelian groups

Indecomposable objects in iterated functor categories

Orbit counting polynomials over finite fields

lifting of idempotents in group ring

semisimplicity of maps in braided vector spaces

A presentation for a subalgebra

Invariants of linear endomorphisms of tensor products

additivity of trace with respect to short exact sequences

Invariants and subgroups

Kernels of actions on truncated polynomial algebra

Complex representations of groups of invertible elements in finite local rings

Finite properties of finite models of first order theories

Are braid groups conjugacy separable?

A canonical representative in Morita equivalence class

variations of finite stabilizer in the action of an algebraic group on an affine variety

Closed orbits for the action of general linear groups