User Carl-Fredrik Nyberg Brodda

41 votes

1 answer

2k views

Known and fixed gaps in the proof of the CFSG

asked Sep 22, 2021 at 9:45

28 votes

2 answers

4k views

Who was H. Vogt?

asked Mar 17, 2021 at 16:06

20 votes

1 answer

993 views

Proof of CFSG assuming every simple group is two-generated

asked Jan 12 at 5:32

18 votes

1 answer

752 views

Is solvability semi-decidable?

asked Jul 21, 2023 at 23:05

12 votes

1 answer

412 views

Commutator problem vs conjugacy/word problem

asked May 12, 2021 at 10:14

12 votes

1 answer

832 views

Why is the Dyck language/Dyck paths named after von Dyck?

asked Aug 25, 2020 at 16:28

9 votes

1 answer

230 views

Yang-Mills algebra and lower central series of surface groups

asked Jan 11, 2023 at 10:52

9 votes

3 answers

498 views

Residually solvable Bianchi groups

asked Dec 30, 2023 at 0:04

8 votes

2 answers

486 views

Subgroup membership problem in simple groups

asked Mar 22, 2023 at 11:16

8 votes

0 answers

125 views

The conjugacy problem for two-relator groups

asked Mar 15, 2021 at 11:02

8 votes

1 answer

658 views

Arithmetic sequences and Artin's conjecture

asked Dec 16, 2023 at 18:51

8 votes

1 answer

350 views

Finite two-relator groups and quotients of knot groups

asked Sep 23 at 4:45

7 votes

1 answer

219 views

Howson property of automorphism group of $F_2$ and of $F_3$

asked Mar 16, 2021 at 15:42

7 votes

0 answers

292 views

Uniform word problem in finitely presented simple groups

asked Aug 7, 2021 at 13:14

7 votes

0 answers

178 views

Completeness of automorphism groups of free metabelian groups

asked Aug 23, 2021 at 14:19

6 votes

0 answers

648 views

Minimum Simple Burger-Mozes Type Group

asked Mar 1, 2019 at 14:21

5 votes

0 answers

297 views

For which classes of metric spaces can we prove that quasi-isometry is an equivalence relation in ZF?

asked Apr 30, 2020 at 13:02

5 votes

2 answers

449 views

Centre of group with deficiency at least two (Progress on Murasugi's conjecture)

asked Oct 3 at 9:12

3 votes

0 answers

243 views

Finitely generated subgroups of the absolute Galois group

asked Feb 15, 2021 at 10:49

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19 Questions

Known and fixed gaps in the proof of the CFSG

Who was H. Vogt?

Proof of CFSG assuming every simple group is two-generated

Is solvability semi-decidable?

Commutator problem vs conjugacy/word problem

Why is the Dyck language/Dyck paths named after von Dyck?

Yang-Mills algebra and lower central series of surface groups

Residually solvable Bianchi groups

Subgroup membership problem in simple groups

The conjugacy problem for two-relator groups

Arithmetic sequences and Artin's conjecture

Finite two-relator groups and quotients of knot groups

Howson property of automorphism group of $F_2$ and of $F_3$

Uniform word problem in finitely presented simple groups

Completeness of automorphism groups of free metabelian groups

Minimum Simple Burger-Mozes Type Group

For which classes of metric spaces can we prove that quasi-isometry is an equivalence relation in ZF?

Centre of group with deficiency at least two (Progress on Murasugi's conjecture)

Finitely generated subgroups of the absolute Galois group