John R Ramsden (unregistered)
Apparently, this user prefers to keep an air of mystery about them.
3 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