Apparently, this user prefers to keep an air of mystery about them.
14 Can two functions have identical first and second derivatives, but different higher order derivatives? jul 22 '11
12 Software for organising mathematics jul 10 '12
5 Constructing adjunction from left adjoint and unit jul 22 '11
5 How to compare points in multi-dimensional space? jul 30 '11
5 What software is used to draw undirected graphs? jul 22 '11
3 Need an efficient algorithm to visit all nodes of a graph, revisiting edges and nodes is allowed aug 3 '11
3 Algebraic proof that collection of all subsets of a set (power set) of $N$ elements has $2^N$ elements aug 24 '11