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Luis H Gallardo's user avatar
Luis H Gallardo's user avatar
Luis H Gallardo's user avatar
Luis H Gallardo
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  • Member for 15 years, 5 months
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14
Are nontrivial integer solutions known for $x^3+y^3+z^3=3$?
Mar 11, 2011
13
Status of the Hadamard Circulant conjecture
Feb 15, 2011
9
All polynomials over a finite field are sums of $2$ square-free polynomials
Jan 18, 2011
9
Is this a (well known) open problem?(infinitness and more on $anm \pm n\pm m$ )
Jan 27, 2011
8
Old question of Serre on discriminants of a sequence of polynomials
Jan 14, 2011
7
Perfect numbers $n$ such that $2^k(n+1)$ is also perfect
May 8, 2011
6
Positive integers $n$ that divide $\sigma_2(n)$
Jan 11, 2011
5
What are dessins d'enfants?
May 2, 2011
5
The diophantine eq. $x^4 +y^4 +1=z^2$
Apr 20, 2011
5
Eigenvectors of the Fourier matrix
Nov 10, 2012