Apparently, this user prefers to keep an air of mystery about them.
2 Implicit function theorem-show that in a neighbourhood of the point -can be described by a pair of functions jan 25 '13
2 Eigenvalues and Jordan form feb 26 '13
1 How to find a set of polynomials that are orthonormal with respect to this inner product? jan 4 '13
0 GRE Permutation and combination question jan 16 '13