Apparently, this user prefers to keep an air of mystery about them.
18 number of zeroes in 100 factorial. jul 13 '12
8 Interesting mathematical documentaries jun 20 '12
3 Turan's theorem for connected graphs? jun 6 '14
3 If there are two primes at an even distance $k$ is there another disjoint pair of primes also at distance $k$? jul 15 '14