Zander's user avatar
Zander's user avatar
Zander's user avatar
Zander
  • Member for 11 years, 6 months
  • Last seen more than 2 years ago
  • New York, NY
71 votes
0 answers
4k views

2, 3, and 4 (a possible fixed point result ?)

  • 3,930
67 votes
7 answers
13k views

Identifying poisoned wines

40 votes
4 answers
3k views

Polynomials on the Unit Circle

  • 3,516
39 votes
2 answers
3k views

$x^4+y^4$ powerful for relatively prime $x,y$

39 votes
1 answer
5k views

A generalisation of the equation $n = ab + ac + bc$

  • 3,393
33 votes
3 answers
11k views

About Goldbach's conjecture

26 votes
3 answers
4k views

Constructing prime numbers

23 votes
5 answers
2k views

Are the 'semi' trivial zeros of $\zeta(s) \pm \zeta(1-s)$ all on the critical line?

  • 3,989
21 votes
4 answers
3k views

Arithmetic progressions inside polynomial sets

20 votes
6 answers
4k views

Erik Westzynthius's cool upper bound argument: update?

20 votes
1 answer
2k views

Largest prime divisor of a sum

  • 1,474
19 votes
0 answers
3k views

sums of digits of powers of integers

18 votes
4 answers
2k views

Generalizing Euclid's proof of the infinity of primes

17 votes
1 answer
2k views

Why are Goldbach laggards biased towards $2 \bmod 6$?

17 votes
4 answers
6k views

Establishing zeta(3) as a definite integral and its computation.

17 votes
3 answers
928 views

Are there ever three perfect powers between consecutive squares?

  • 397
16 votes
2 answers
1k views

Median largest-prime-factor

  • 12.5k
16 votes
0 answers
1k views

Regularizing the divergent sum $1^k + 2^k + \cdots$

16 votes
1 answer
781 views

Blocking visibility with cylinders

15 votes
2 answers
2k views

Primes and $x^2+2y^2+4z^2$

  • 25k
14 votes
1 answer
1k views

How to keep subsets disjoint?

  • 21.8k
13 votes
0 answers
695 views

Is "OEIS A001935 Number of partitions with no even part repeated" efficiently computable $\mod 4$?

  • 23.6k
12 votes
2 answers
1k views

Sum of log p/p for p equivalent to l mod D

  • 315
11 votes
3 answers
2k views

Number of certain positive integer solutions of n=x+y+z

  • 113
11 votes
1 answer
406 views

The complexity of the leading fractional bit of a power of a rational number

11 votes
1 answer
386 views

Symmetric functions on three parameters being perfect squares

  • 997
10 votes
2 answers
462 views

A Conjecture on the Density of a subset of integers

  • 113
9 votes
2 answers
3k views

Sums of arctangents

9 votes
4 answers
1k views

Congruences between Fermat quotients

  • 1,491
8 votes
2 answers
477 views

Efficient computation of the least fraction with square denominator greater than the square root of 2.