John R Ramsden (unregistered)
Apparently, this user prefers to keep an air of mystery about them.
4 Find all pairs of positive integers $(x,y)$ such that $x^2-y^2=a^3$ and $x^3-y^3=b^2$ for integral $a, b$? Jul 24 '11
1 Converting Single Equation To A System Of Equations Aug 13 '11
1 Rational parameterization of surface Aug 14 '11