Apparently, this user prefers to keep an air of mystery about them.
13 Easy proof for sum of squares $\approx n^3/3$ mar 19 '14
7 Does the square or the circle have the greater perimeter? A surprisingly hard problem for high schoolers mar 14
4 How many Arrangement of “AMAZED” letter E Positioned between two A's (Not necessarily Flanked) jan 8
2 Generalized chi distribution may 8 '13
2 Monotonicity of $\log \det R(d_i, d_j)$ sep 10 '13
2 if matrix such $AA^T=A^2$ then $A$ is symmetric? nov 18 '13