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András Salamon
  • Member for 11 years, 7 months
  • Last seen more than a month ago
11 votes

Does the equation $x^4+y^4+1 = z^2$ have a non-trivial solution?

6 votes
Accepted

$p = x^2 + xy + y^2$ if and only if $p \equiv 1 \text{ mod }3$?

5 votes

Why in an inconsistent axiom system every statement is true? (For Dummies)

5 votes

Probability of a graph having at least 1 k-clique

4 votes
Accepted

Naming big numbers with Diophantine equations

4 votes

publishing an article which contains abstract math and programming on arxiv or journal

3 votes
Accepted

When can we exchange expectation and maximum for asymptotic results?

3 votes
Accepted

Number of Binary Strings of Length $n$ with Hamming Distance $n/2$

2 votes

What's the minimal $k$ satisfying these conditions? Graph theory problem.

2 votes
Accepted

Expansion of Lambert $W$ for negative values

2 votes
Accepted

What are the possible sums of an $n \times n$ magic square?

1 vote
Accepted

Last three digits of $6^{2002}$

1 vote

If $f(x)^2=x+(x+1)f(x+2)$, what is $f(1)$?

1 vote

Hypergraph Colorability

1 vote

Pigeonhole Principle Problem combo inequality

1 vote

Combinatorics question with infinite sets

1 vote

Is half-filled magic square problem NP-complete?

1 vote
Accepted

Closed formula for finite product series

1 vote
Accepted

$n$-sided die thrown $n$ times. Probability that sum of results equals sum of prime factors of $n$.

1 vote
Accepted

Good references for Expander graphs

0 votes
Accepted

Counting clique free graphs?

0 votes

Cardinality of Set of Sums vs Set of Differences

0 votes

Polynomial bounds?

0 votes

Prove that $G$ is $K_4$-minor free