Apparently, this user prefers to keep an air of mystery about them.
56 Intuition in algebra? dec 11 '10
7 Covariant derivative apr 11 '12
4 Can you find a domain where $ax+by=1$ has a solution for all $a$ and $b$ relatively prime, but which is not a PID? aug 2 '10
3 Linear Algebra: What do vector spaces represent? oct 30 '14
1 Diffeomorphism from level set onto $S^2$ oct 30 '14