Igor Pak's user avatar
Igor Pak's user avatar
Igor Pak's user avatar
Igor Pak
  • Member for 14 years, 1 month
  • Last seen this week
36 votes
0 answers
1k views

3-colorings of the unit distance graph of $\Bbb R^3$

33 votes
2 answers
2k views

Do plane projections determine a convex polytope?

29 votes
1 answer
9k views

Downsides of using the arXiv? [closed]

28 votes
3 answers
1k views

Inequality for hook numbers in Young diagrams

18 votes
0 answers
462 views

Linear groups which don't contain products of free groups

18 votes
3 answers
544 views

How to construct a small coprime?

17 votes
1 answer
548 views

Complexity of a Fibonacci numbers discrete log variation

16 votes
3 answers
665 views

Plane partitions with equal margins

15 votes
0 answers
480 views

Word complexity of primes mod 4

13 votes
1 answer
544 views

Coincidences between average Catalan tableaux

12 votes
3 answers
809 views

Partitions into parts from an arithmetic progresion

11 votes
1 answer
343 views

Complexity of counting regions in hyperplane arrangements

10 votes
1 answer
251 views

Edge-transitive Cayley graphs of $S_n$

9 votes
0 answers
229 views

Hives for other root systems? [duplicate]

8 votes
3 answers
451 views

Density of the Klarner-Rado Sequence

7 votes
2 answers
234 views

Congruences of binomial sums

7 votes
1 answer
197 views

Entropy of chain decompositions of posets

4 votes
2 answers
430 views

Hitting probability of a line