Apparently, this user prefers to keep an air of mystery about them.
10 What is the most frequent number of edges of Voronoi cells of a large set of random points? Jan 31 '11
6 How difficult is to find a small clear round spot on a large sheet contaminated by random dirty dots Jul 11 '11
6 How to “shrink” a triangle Jan 15 '11
4 If a 3D-cake is cut by $n$ planes yielding the maximum number of pieces, then what is the number of pieces with the cake crust? May 17 '13
3 How to find a transformation matrix having several original points and their respective transformed results? Feb 24 '13
2 How does 2D spatial Fourier (kx-ky) transform result responds to rotation of the original? Jan 17 '13
2 How to find equation of cone's generatrix? Jan 17 '11