36

Questions
votes newest views recent
5
8
votes
0
answers
1k
views

Who invented this puzzle about poisons? [closed]

jun 9 11 at 6:09 someone 1

1
6
votes
1
answer
197
views

Determinantal formula for the nullspace of a singular matrix

dec 1 at 3:24 Sasha 9,923●1●7●17

 
5
votes
1
answer
88
views

Non-unique 2-factorization of 2k-regular graphs

jan 25 at 7:48 domotorp 4,068●7●25

1
5
votes
3
answers
791
views

Has Sid Sackson’s “Hold That Line” been analyzed?

sep 13 at 6:04 Thane Plambeck 81●4

 
4
votes
2
answers
264
views

Impossibility of continuously picking k independent rows from a rank k matrix

feb 9 at 19:22 quid 13.1k●31●51

2
2
votes
3
answers
530
views

Generalized tic-tac-toe

aug 3 at 2:01 Will Sawin 18.5k●1●24●48

prev 1 2 3 4