User markvs

25 votes

Accepted

Are groups determined by their morphisms from solvable groups?

answered Oct 18, 2021 at 0:56

15 votes

Subsets of the integers which are closed under multiplication

answered Aug 9, 2021 at 21:28

12 votes

Accepted

Sequence of epimorphisms of residually finite groups stabilizes

answered Jan 24, 2021 at 16:29

10 votes

Accepted

Group action: 'Minimal' subgroup generating an orbit

answered Feb 2, 2021 at 19:23

10 votes

Are all free ultrafilters 'the same' in some sense?

answered Dec 11, 2021 at 2:37

9 votes

Prehistory of Gromov-hyperbolic spaces/groups

answered Jun 11, 2021 at 20:43

7 votes

Accepted

Length of commutators in the free group

answered Jul 30, 2021 at 0:02

6 votes

Accepted

About roots of polynomials

answered Apr 2, 2022 at 15:42

5 votes

Is there a permutation group satisfying the following property?

answered Jul 5, 2021 at 2:36

5 votes

Accepted

Can every cancellative invertible-free monoid be embedded in a group?

answered Dec 5, 2020 at 1:44

4 votes

Factor group of direct product by restricted direct product

answered Aug 3, 2021 at 23:51

3 votes

Which great mathematicians were also historians of mathematics?

answered Feb 12, 2021 at 14:40

3 votes

Given integer n and k, split the set {x| - 2^n + 1 ≤ x ≤ 2^n} into two subsets A and B, so that |A| = |B| and $\sum_{a\in A}a^k=\sum_{b\in B}b^k$

answered Feb 22, 2021 at 13:39

3 votes

Accepted

Status of a conjecture of Thompson

answered Feb 3, 2021 at 18:51

2 votes

Følner sequences with weird shapes

answered Jan 14, 2021 at 7:38

2 votes

Are old issues of math journals from Belarus Academy of Sciences available online?

answered Feb 25, 2021 at 2:53

2 votes

Accepted

More vocabulary for periodic elements in monoids

answered Jul 27, 2021 at 19:04

2 votes

Finite presentability and elementary equivalence

answered Jan 2, 2022 at 5:46

2 votes

The definition of Higman-Thompson group

answered Mar 10, 2022 at 1:47

2 votes

Given a homeomorphism of two open subsets of $\mathbb{R}^n$ ($n \leq 3$), is there a natural way to smooth it out to get a diffeomorphism?

answered Aug 12, 2021 at 2:12

2 votes

Free partners in semi-direct products

answered Aug 21, 2021 at 22:47

1 vote

Residually amenable groups

answered Oct 2, 2021 at 4:12

1 vote

Compute reduced word for element in particular free group

answered Apr 2, 2022 at 0:01

1 vote

Accepted

Linear conjugacy growth function

answered Mar 13, 2021 at 23:45

1 vote

Examples of infinitely presented non-LEF groups

answered Feb 23, 2021 at 10:18

1 vote

Does there exists a finitely presented group with Dehn function $> n^3$ and all asymptotic cones simply connected

answered Dec 10, 2020 at 18:47

1 vote

Simultaneous similarity of pair of matrices

answered Feb 4, 2021 at 7:32

1 vote

Simultaneous similarity of pair of matrices

answered Feb 1, 2021 at 0:57

0 votes

How many elements of each order are there in this $p$-group?

answered Nov 27, 2020 at 5:40

Stack Exchange Network

29 Answers

Are groups determined by their morphisms from solvable groups?

Subsets of the integers which are closed under multiplication

Sequence of epimorphisms of residually finite groups stabilizes

Group action: 'Minimal' subgroup generating an orbit

Are all free ultrafilters 'the same' in some sense?

Prehistory of Gromov-hyperbolic spaces/groups

Length of commutators in the free group

About roots of polynomials

Is there a permutation group satisfying the following property?

Can every cancellative invertible-free monoid be embedded in a group?

Factor group of direct product by restricted direct product

Which great mathematicians were also historians of mathematics?

Given integer n and k, split the set {x| - 2^n + 1 ≤ x ≤ 2^n} into two subsets A and B, so that |A| = |B| and $\sum_{a\in A}a^k=\sum_{b\in B}b^k$

Status of a conjecture of Thompson

Følner sequences with weird shapes

Are old issues of math journals from Belarus Academy of Sciences available online?

More vocabulary for periodic elements in monoids

Finite presentability and elementary equivalence

The definition of Higman-Thompson group

Given a homeomorphism of two open subsets of $\mathbb{R}^n$ ($n \leq 3$), is there a natural way to smooth it out to get a diffeomorphism?

Free partners in semi-direct products

Residually amenable groups

Compute reduced word for element in particular free group

Linear conjugacy growth function

Examples of infinitely presented non-LEF groups

Does there exists a finitely presented group with Dehn function $> n^3$ and all asymptotic cones simply connected

Simultaneous similarity of pair of matrices

Simultaneous similarity of pair of matrices

How many elements of each order are there in this $p$-group?