Apparently, this user prefers to keep an air of mystery about them.
13 Why does $n$-time differentiation of product have the same structure as raising sum to $n$th power? oct 29
9 Are there known pairs of simple numbers equal to huge precision, but not equal strictly? feb 14 '14
7 How to show that this integral equals $\frac\pi2$? dec 21 '13
7 Is Minkowski space not a metric space? oct 14 '13
6 Bessel type function? jun 4 '14