Apparently, this user prefers to keep an air of mystery about them.
9 How to prove: $n! \times (n+1) = (n+1)!$ Feb 7 '12
4 ACC on principal ideals implies factorization into irreducibles. Does $R$ have to be a domain? Jun 22 '14
1 $\hat f_\lambda(x) = \hat f(x/\lambda)$ May 28 '12