Apparently, this user prefers to keep an air of mystery about them.
6 Is it sufficient to say that no odd divides an even number to prove it is a power of two? Sep 29 '13
6 What parts of a pure mathematics undergraduate curriculum have been discovered since 1964? Dec 27 '14
5 What are numbers? [duplicate] Apr 30 '15
3 Identity to simplify sum with binomial coefficient May 26 '12
2 15Puzzle, sum of inversions - what's been summed? May 18 '12