User Moritz Firsching

51 votes

4 answers

7k views

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

asked Sep 26, 2014 at 9:52

25 votes

1 answer

3k views

Number of hypercube unfoldings

asked May 21, 2018 at 11:50

22 votes

1 answer

696 views

Rational inscribed realization of the regular dodecahedron

asked Mar 21, 2016 at 17:36

15 votes

2 answers

1k views

Hausdorff dimension of Apollonian circle packing, 1.305686729, 1.305688 or yet something else?

asked Feb 16, 2016 at 16:50

14 votes

2 answers

1k views

Expected number of lines meeting four given lines or "what is 1.72..."

asked Jan 26, 2017 at 17:05

12 votes

1 answer

563 views

reference request: rational points on the unit sphere

asked Jan 23, 2017 at 15:09

10 votes

2 answers

280 views

Monochromatic point sets in two-colored plane

asked Jul 22, 2017 at 14:36

8 votes

0 answers

328 views

Asymptotics of A261668

asked Sep 13, 2015 at 19:16

6 votes

3 answers

714 views

Expected absolute value of the average of two points from the disc

asked Jun 18, 2021 at 12:34

5 votes

2 answers

3k views

Nicer expression for 2.1369288...?

asked Feb 17 at 11:25

5 votes

0 answers

231 views

Minimal algebraic degree of symmetric unit distance embedding of Heawood graph

asked Jul 18, 2016 at 19:12

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11 Questions

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

Number of hypercube unfoldings

Rational inscribed realization of the regular dodecahedron

Hausdorff dimension of Apollonian circle packing, 1.305686729, 1.305688 or yet something else?

Expected number of lines meeting four given lines or "what is 1.72..."

reference request: rational points on the unit sphere

Monochromatic point sets in two-colored plane

Asymptotics of A261668

Expected absolute value of the average of two points from the disc

Nicer expression for 2.1369288...?

Minimal algebraic degree of symmetric unit distance embedding of Heawood graph