User Mark Bell

44 votes

1 answer

1k views

Microwaving Cubes

asked May 9, 2010 at 23:03

27 votes

4 answers

11k views

Does constructing non-measurable sets require the axiom of choice?

asked Oct 14, 2010 at 21:30

14 votes

4 answers

2k views

Computing minimal polynomials using LLL

asked May 1, 2015 at 11:12

13 votes

1 answer

1k views

Manifolds with prescribed fundamental group and finitely many trivial homotopy groups

asked Oct 12, 2012 at 21:42

12 votes

1 answer

913 views

The Worst Possible Winner

asked Jul 11, 2010 at 22:59

10 votes

1 answer

933 views

Lower bound on number of tetrahedra needed to triangulate a knot complement

asked Nov 15, 2010 at 20:18

9 votes

3 answers

1k views

Simplifying triangulations of 3-manifolds

asked Aug 31, 2010 at 12:56

8 votes

3 answers

759 views

Choosing lines and points in D^2

asked Jul 15, 2010 at 1:00

8 votes

2 answers

1k views

Is the matrix ring $\mathrm{Mat}_n(\mathbb{C})$ "algebraically closed"?

asked Feb 1, 2010 at 10:23

8 votes

1 answer

1k views

Determine if a matrix is unimodular

asked Sep 3, 2012 at 8:44

8 votes

3 answers

1k views

Does small Perron-Frobenius eigenvalue imply small entries for integral matrices?

asked May 9, 2014 at 7:17

7 votes

2 answers

362 views

Minimum number of contractions needed to obtain a particular invariant set

asked Jul 17, 2010 at 22:47

6 votes

4 answers

1k views

Determining a lower bound on the Hausdorff dimension of a set

asked Mar 3, 2010 at 20:35

5 votes

2 answers

574 views

Fixed points of Group Endomorphisms

asked Feb 24, 2011 at 0:08

4 votes

1 answer

875 views

Knot database including text names

asked Sep 24, 2010 at 23:47

4 votes

0 answers

267 views

Finding generalised Lyndon words

asked Oct 2, 2010 at 19:24

4 votes

0 answers

282 views

Easy to find roots

asked Jun 20, 2010 at 13:14

4 votes

0 answers

152 views

Is the normalised Kauffman bracket more powerful than the Kauffman bracket?

asked Aug 31, 2013 at 12:28

3 votes

3 answers

721 views

What do you call the product of a circle and an annulus?

asked Jan 10, 2010 at 10:23

3 votes

3 answers

210 views

Rank(A) and other algorithms as a polynomial

asked Jan 18, 2010 at 20:04

3 votes

1 answer

444 views

Does a product of matrices have eigenvalue 1

asked May 21, 2012 at 10:08

2 votes

1 answer

246 views

Generalising right-angled Artin groups

asked Jun 13, 2012 at 9:33

2 votes

1 answer

911 views

Root Finding for Raytracing (Ray and Meta-Ball Intersection)

asked Jun 30, 2010 at 18:14

1 vote

1 answer

699 views

pseudo-Anosov maps on surfaces with boundary

asked Oct 25, 2010 at 23:07

0 votes

3 answers

359 views

Following curves on S^n

asked Mar 11, 2010 at 18:59

Stack Exchange Network

25 Questions

Microwaving Cubes

Does constructing non-measurable sets require the axiom of choice?

Computing minimal polynomials using LLL

Manifolds with prescribed fundamental group and finitely many trivial homotopy groups

The Worst Possible Winner

Lower bound on number of tetrahedra needed to triangulate a knot complement

Simplifying triangulations of 3-manifolds

Choosing lines and points in D^2

Is the matrix ring $\mathrm{Mat}_n(\mathbb{C})$ "algebraically closed"?

Determine if a matrix is unimodular

Does small Perron-Frobenius eigenvalue imply small entries for integral matrices?

Minimum number of contractions needed to obtain a particular invariant set

Determining a lower bound on the Hausdorff dimension of a set

Fixed points of Group Endomorphisms

Knot database including text names

Finding generalised Lyndon words

Easy to find roots

Is the normalised Kauffman bracket more powerful than the Kauffman bracket?

What do you call the product of a circle and an annulus?

Rank(A) and other algorithms as a polynomial

Does a product of matrices have eigenvalue 1

Generalising right-angled Artin groups

Root Finding for Raytracing (Ray and Meta-Ball Intersection)

pseudo-Anosov maps on surfaces with boundary

Following curves on S^n