Apparently, this user prefers to keep an air of mystery about them.
10 How to invert the matrix [n choose 2j - i] ? Jun 26 '11
4 Are the Schur functions the minimal basis of the ring of symmetric functions with the following properties? Oct 7 '10
4 Binary matrices with constant row and column sums Aug 25 '10
1 Hankel determinants of symmetric functions Jun 16 '10