User Corentin B

32 votes

Using Busy Beavers to prove conjectures

answered Jan 4 at 10:13

27 votes

Accepted

Necessary and sufficient conditions for the Cayley graph to be bipartite

answered May 2 at 8:07

18 votes

What are the $\inf$ and $\sup$ of the area of quadrilateral given its sides length?

answered Apr 12 at 23:53

12 votes

Uniqueness results that follow from CH

answered Jul 24 at 12:02

11 votes

When is 2 qualitatively different from 3?

answered Nov 9 at 22:58

9 votes

Accepted

What is known/expected on the co-growth series of the braid group?

answered May 26 at 12:33

8 votes

Accepted

Are directed graphs with out-degree exactly 2 strongly connected with probability 1?

answered Jul 4 at 15:09

8 votes

Accepted

Groups (not) quasi-retracting onto $\mathbb{Z}$

answered Jul 29 at 20:52

8 votes

Identity involving Pochhammer symbol

answered Jan 29 at 21:59

7 votes

Accepted

On intersection of finite index fully invariant subgroup

answered Apr 18 at 20:59

6 votes

Green's kernel estimates on finitely generated groups

answered Mar 23 at 6:49

6 votes

When is 2 qualitatively different from 3?

answered Nov 9 at 22:08

5 votes

Chain of automorphism groups

answered Sep 14 at 12:05

5 votes

Accepted

Counting a class of backtracking walks

answered Jul 13 at 21:13

5 votes

How fast does the number of "fixed" points grow compared to the size of the ball in the following group?

answered Jul 3 at 17:13

4 votes

Accepted

Hamiltonian paths in 2-generated (Cayley) circulant digraphs. A counterexample?

answered Jan 22 at 19:24

3 votes

Accepted

Other, easier, approaches to proving: for $k$ coprime integers summing to zero, there is no bound on $\min\{\Omega(a_1),\ldots,\Omega(a_k)\}$

answered Sep 8 at 7:50

2 votes

Accepted

Point of concurrency of three circles which pass through vertices of a triangle and erected equilateral triangles

answered Aug 17 at 13:18

1 vote

Accepted

Hyperoctahedral group, preliminaries

answered May 14 at 13:29

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19 Answers

Using Busy Beavers to prove conjectures

Necessary and sufficient conditions for the Cayley graph to be bipartite

What are the $\inf$ and $\sup$ of the area of quadrilateral given its sides length?

Uniqueness results that follow from CH

When is 2 qualitatively different from 3?

What is known/expected on the co-growth series of the braid group?

Are directed graphs with out-degree exactly 2 strongly connected with probability 1?

Groups (not) quasi-retracting onto $\mathbb{Z}$

Identity involving Pochhammer symbol

On intersection of finite index fully invariant subgroup

Green's kernel estimates on finitely generated groups

When is 2 qualitatively different from 3?

Chain of automorphism groups

Counting a class of backtracking walks

How fast does the number of "fixed" points grow compared to the size of the ball in the following group?

Hamiltonian paths in 2-generated (Cayley) circulant digraphs. A counterexample?

Other, easier, approaches to proving: for $k$ coprime integers summing to zero, there is no bound on $\min\{\Omega(a_1),\ldots,\Omega(a_k)\}$

Point of concurrency of three circles which pass through vertices of a triangle and erected equilateral triangles

Hyperoctahedral group, preliminaries