Apparently, this user prefers to keep an air of mystery about them.
10 How to calculate the gradient of log det matrix inverse? May 12 '11
10 The limit of a convergent Gaussian random variable sequence is still a Gaussian random variable Nov 8 '12
7 How to prove that the collection of rank-k matrices forms a closed subset of the space of matrices? Jun 4 '11
5 Continuity and image of convergent sequences Jul 23 '11