User Sebastien Palcoux

27 votes

Which integers can be expressed as a sum of three cubes in infinitely many ways?

answered Nov 9, 2015 at 18:54

18 votes

Is there a $c > 1$ such that for all $n \ge 1$ the largest integer $\le c^n$ is prime?

answered Dec 21, 2022 at 6:54

16 votes

Examples of unexpected mathematical images

answered Aug 22, 2019 at 15:17

16 votes

Examples of common false beliefs in mathematics

answered Apr 20, 2016 at 12:37

16 votes

Accepted

What is about nonassociative geometry?

answered Jun 11, 2013 at 13:37

16 votes

Accepted

Why is there such a close resemblance between the unitary representation theory of the Virasoro algebra and that of the Temperley-Lieb algebra?

answered Oct 11, 2013 at 13:18

15 votes

What notions are used but not clearly defined in modern mathematics?

answered May 27, 2015 at 7:26

12 votes

Interesting meta-meta-mathematical theorems?

answered Mar 8, 2014 at 13:15

12 votes

Mysterious quotes (at least for me)

answered Nov 7, 2014 at 23:11

11 votes

Fractal-like structures arising from the action of a group on $\mathbb{Z}^2$

answered Mar 17, 2014 at 14:32

11 votes

Universal $C^*$-algebra with generators and relations

answered Dec 15, 2013 at 11:40

11 votes

What notions are used but not clearly defined in modern mathematics?

answered May 27, 2015 at 15:14

9 votes

Accepted

Are there non-homeomorphic 3-manifolds with the same Turaev-Viro-Barrett-Westbury invariants?

answered Jul 8, 2021 at 13:14

8 votes

Results in linear algebra that depend on the choice of field

answered Sep 25, 2021 at 21:01

8 votes

Accepted

Is this error in this paper of Langlands fixable?

answered Oct 10, 2013 at 10:34

7 votes

Can any finite lattice be realized as an intermediate subgroups lattice?

answered Feb 9, 2015 at 10:34

7 votes

Examples of common false beliefs in mathematics

answered Jul 28, 2015 at 10:51

7 votes

Golden ratio in contemporary mathematics

answered Sep 6, 2021 at 4:29

7 votes

Accepted

Is there a fusion category not Grothendieck equivalent to a unitary one?

answered Oct 8, 2020 at 13:24

7 votes

Is there an integral fusion ring which is not of Frobenius type?

answered Oct 18, 2019 at 10:55

7 votes

Accepted

Constructing the largest finite group with a fixed number of conjugacy classes

answered Mar 25, 2019 at 4:03

6 votes

The finite groups with a zero entry in each column of its character table (except the first one)

answered Aug 18, 2021 at 9:03

6 votes

learning Deligne-Lusztig theory

answered Nov 19, 2022 at 12:27

6 votes

Is there a 2-connected k-regular graph without Hamiltonian path?

answered Jun 23, 2016 at 12:23

6 votes

Accepted

Existence of a faithful irreducible representation using Möbius function

answered Mar 11, 2017 at 14:33

6 votes

How to define a differential form on a fractal?

answered Jun 13, 2013 at 20:08

5 votes

Interesting mathematical documentaries

answered Jul 15, 2014 at 13:57

5 votes

Accepted

Generalization of a theorem of Øystein Ore in group theory

answered Jan 31, 2015 at 12:54

5 votes

Results true in a dimension and false for higher dimensions

answered Sep 16, 2014 at 22:06

5 votes

Accepted

Unexpected behavior involving √2 and parity

answered Dec 18, 2020 at 3:47

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121 Answers

Which integers can be expressed as a sum of three cubes in infinitely many ways?

Is there a $c > 1$ such that for all $n \ge 1$ the largest integer $\le c^n$ is prime?

Examples of unexpected mathematical images

Examples of common false beliefs in mathematics

What is about nonassociative geometry?

Why is there such a close resemblance between the unitary representation theory of the Virasoro algebra and that of the Temperley-Lieb algebra?

What notions are used but not clearly defined in modern mathematics?

Interesting meta-meta-mathematical theorems?

Mysterious quotes (at least for me)

Fractal-like structures arising from the action of a group on $\mathbb{Z}^2$

Universal $C^*$-algebra with generators and relations

What notions are used but not clearly defined in modern mathematics?

Are there non-homeomorphic 3-manifolds with the same Turaev-Viro-Barrett-Westbury invariants?

Results in linear algebra that depend on the choice of field

Is this error in this paper of Langlands fixable?

Can any finite lattice be realized as an intermediate subgroups lattice?

Examples of common false beliefs in mathematics

Golden ratio in contemporary mathematics

Is there a fusion category not Grothendieck equivalent to a unitary one?

Is there an integral fusion ring which is not of Frobenius type?

Constructing the largest finite group with a fixed number of conjugacy classes

The finite groups with a zero entry in each column of its character table (except the first one)

learning Deligne-Lusztig theory

Is there a 2-connected k-regular graph without Hamiltonian path?

Existence of a faithful irreducible representation using Möbius function

How to define a differential form on a fractal?

Interesting mathematical documentaries

Generalization of a theorem of Øystein Ore in group theory

Results true in a dimension and false for higher dimensions

Unexpected behavior involving √2 and parity