User Moritz Firsching

116 votes

Zagier's one-sentence proof of a theorem of Fermat

answered May 8, 2018 at 7:15

94 votes

What programming language should a professional mathematician know?

answered Aug 21, 2018 at 8:10

93 votes

Examples of math hoaxes/interesting jokes published on April Fool's day?

answered Apr 1, 2016 at 7:45

90 votes

Tweetable Mathematics

answered Apr 26, 2017 at 12:56

56 votes

Does this geometry theorem have a name?

answered Oct 26, 2017 at 15:56

47 votes

Accepted

How many unit cylinders can touch a unit ball?

answered Mar 31, 2014 at 23:20

46 votes

Accepted

Is there an explicit description of a cobordism between $\mathbb{CP}^n$ and $\mathbb{RP}^n\times\mathbb{RP}^n$?

answered Feb 16, 2016 at 15:55

40 votes

Accepted

Which unfoldings of the hypercube tile 3-space: How to check for isometric space-fillers?

answered May 15, 2021 at 8:50

35 votes

Accepted

what-if.xkcd.com: stabbing (simply connected) regions on the 2-sphere with few geodesics

answered Oct 20, 2020 at 19:48

26 votes

Accepted

First occurrence of "by the usual compactness argument"?

answered Sep 30, 2013 at 10:54

24 votes

How to check if a box fits in a box?

answered Sep 27, 2017 at 21:05

23 votes

Accepted

Can every simple polytope be inscribed in a sphere?

answered Oct 2, 2020 at 12:36

22 votes

Accepted

What is the source of this E̶r̶d̶ő̶s̶ quote?

answered Oct 25, 2013 at 10:35

19 votes

On maximal regular polyhedra inscribed in a regular polyhedron

answered Jan 8, 2014 at 22:57

18 votes

Klein's Protocols: A window into our mathematical past

answered May 4, 2014 at 15:19

18 votes

Accepted

Random points on the unit sphere

answered Sep 22, 2014 at 10:15

16 votes

Accepted

Largest convex hull of a unit length path

answered Sep 9, 2013 at 9:36

15 votes

Accepted

Does Gromov's Waist Inequality imply Borsuk-Ulam?

answered Nov 13, 2013 at 22:33

15 votes

Accepted

Historical quotation search: Equations/formulae in (Latin?) prose, before modern symbolic notation

answered Feb 24, 2014 at 21:15

15 votes

Accepted

"Database" of simplicial polytopes/spheres

answered Sep 14, 2015 at 21:41

15 votes

3D models of the unfoldings of the hypercube?

answered May 21, 2018 at 11:04

14 votes

Computation of a minimal polynomial

answered Sep 3, 2017 at 18:59

13 votes

Proving that a function's image contains (1/n,...,1/n)

answered Sep 3, 2013 at 13:28

12 votes

Arranging numbers from $1$ to $n$ such that the sum of every two adjacent numbers is a perfect power

answered Mar 12, 2015 at 23:43

11 votes

Accepted

What are the 4 convex simplicial 4-polytopes that have 6 vertices?

answered Feb 21, 2016 at 21:33

11 votes

Weighted area of a Voronoi cell

answered Sep 8, 2013 at 11:44

11 votes

Accepted

The $32$-deg polynomial for the tetrahedron inscribed in the icosahedron?

answered Aug 1, 2017 at 17:26

10 votes

Largest regular $k$-simplex inscribed in a $d$-cube, $k < d$

answered Aug 9, 2017 at 9:54

10 votes

A cube is placed inside another cube

answered Jul 5, 2018 at 18:49

10 votes

Accepted

The range of the Euler totient function and multiplication by 28

answered Aug 2, 2018 at 15:47

Stack Exchange Network

70 Answers

Zagier's one-sentence proof of a theorem of Fermat

What programming language should a professional mathematician know?

Examples of math hoaxes/interesting jokes published on April Fool's day?

Tweetable Mathematics

Does this geometry theorem have a name?

How many unit cylinders can touch a unit ball?

Is there an explicit description of a cobordism between $\mathbb{CP}^n$ and $\mathbb{RP}^n\times\mathbb{RP}^n$?

Which unfoldings of the hypercube tile 3-space: How to check for isometric space-fillers?

what-if.xkcd.com: stabbing (simply connected) regions on the 2-sphere with few geodesics

First occurrence of "by the usual compactness argument"?

How to check if a box fits in a box?

Can every simple polytope be inscribed in a sphere?

What is the source of this E̶r̶d̶ő̶s̶ quote?

On maximal regular polyhedra inscribed in a regular polyhedron

Klein's Protocols: A window into our mathematical past

Random points on the unit sphere

Largest convex hull of a unit length path

Does Gromov's Waist Inequality imply Borsuk-Ulam?

Historical quotation search: Equations/formulae in (Latin?) prose, before modern symbolic notation

"Database" of simplicial polytopes/spheres

3D models of the unfoldings of the hypercube?

Computation of a minimal polynomial

Proving that a function's image contains (1/n,...,1/n)

Arranging numbers from $1$ to $n$ such that the sum of every two adjacent numbers is a perfect power

What are the 4 convex simplicial 4-polytopes that have 6 vertices?

Weighted area of a Voronoi cell

The $32$-deg polynomial for the tetrahedron inscribed in the icosahedron?

Largest regular $k$-simplex inscribed in a $d$-cube, $k < d$

A cube is placed inside another cube

The range of the Euler totient function and multiplication by 28