243

Questions

votes newest views recent

14

24

votes

19

answers

5k

views

Titles composed entirely of math symbols

ho.history-overview soft-question recreational big-list

sep 28 at 9:08 Nick Gill 2,881●7●18

9

40

votes

8

answers

4k

views

Fair but irregular polyhedral dice

mg.metric-geometry geometry convex-polytopes classical-mechanics recreational

dec 11 11 at 21:49 Scott Sherman 111●2●2

19

36

votes

11

answers

3k

views

Why are matrices ubiquitous but hypermatrices rare?

linear-algebra tensor soft-question

dec 6 at 20:14 Gil Kalai 10.7k●6●80●144

2

6

votes

5

answers

3k

views

When do 3D random walks return to their origin?

pr.probability random-walk reference-request

nov 7 10 at 14:58 Louigi Addario-Berry 3,372●1●11●24

10

18

votes

4

answers

3k

views

“The complex version of Nash’s theorem is not true”

reference-request complex-geometry dg.differential-geometry

dec 21 11 at 12:47 diverietti 3,245●6●18

9

44

votes

4

answers

3k

views

Tying knots with reflecting lightrays

geometry knot-theory

nov 14 at 1:37 Joseph O'Rourke 43.2k●1●49●214

22

28

votes

5

answers

2k

views

Is the boundary $\partial S$ analogous to a derivative?

mathematics-education ho.history-overview reference-request gn.general-topology

mar 30 11 at 20:28 Denis Serre 18.7k●1●31●93

24

54

votes

5

answers

2k

views

Gaussian prime spirals

complex-geometry discrete-geometry prime-numbers

feb 17 at 1:03 Joseph O'Rourke 43.2k●1●49●214

9

49

votes

2

answers

2k

views

Light reflecting off Christmas-tree balls

geometry

dec 9 11 at 21:42 Joseph O'Rourke 43.2k●1●49●214

16

25

votes

8

answers

2k

views

What do named “tricks” share?

ho.history-overview names

dec 26 10 at 22:14 jasomill 81●4●3