Apparently, this user prefers to keep an air of mystery about them.
3 How many set partitions on a big cube’s boundary arise from cubomino decompositions of the solid cube? jan 25 '11
2 A specific notion between the notions of transversal and system of distinct representatives. feb 16 '11
2 Angle Maximizing the Distance of a Projectile aug 31 '10
0 Bit String Bijection may 23